diff --git a/docs/funcs.md b/docs/funcs.md
index 3413c8c..72b6700 100644
--- a/docs/funcs.md
+++ b/docs/funcs.md
@@ -50,8 +50,25 @@
     - [modulateScrollX](#modulateScrollX)
     - [modulateScrollY](#modulateScrollY)
 - [Operators](#operators)
+  - [add](#add)
+  - [blend](#blend)
+  - [diff](#diff)
+  - [layer](#layer)
+  - [mult](#mult)
 - [Sources](#sources)
+  - [gradient](#gradient)
+  - [noise](#noise)
+  - [osc](#osc)
+  - [out](#out)
+  - [render](#render)
+  - [shape](#shape)
+  - [solid](#solid)
+  - [src](#src)
+  - [voronoi](#voronoi)
 - [Parameter sequences](#parameter-sequences)
+  - [Lists as parameter sequences](#lists-as-parameter-sequences)
+  - [Functions on parameter sequences](#functions-on-parameter-sequences)
+      - [fast](#fast)
 
 ---
 
@@ -257,8 +274,7 @@ osc(() => mouse.x).out(o0)
 Control the oscillator using a sine wave based on the current time:
 
 ```javascript
-osc( ({time}) => Math.sin(time) )
-.out(o0)
+osc( ({time}) => Math.sin(time) ).out(o0)
 ```
 
 ---
@@ -281,7 +297,7 @@ Functions for describing modulations of sources.
 `.modulate( texture, amount )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `amount` :: float (default `0.1`)
@@ -294,7 +310,7 @@ More about modulation at: https://lumen-app.com/guide/modulation/
 `.modulateHue( color, amount )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `amount` :: float (default `1.0`)
@@ -307,7 +323,7 @@ Based on:https://www.shadertoy.com/view/XtcSWM
 `.modulateKaleid( nSides )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `nSides` :: float (default `4.0`)
@@ -319,7 +335,7 @@ See also: [`kaleid`](#kaleid).
 `.modulatePixelate( multiple, offset )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `multiple` :: float (default `10.0`)
@@ -332,7 +348,7 @@ See also: [`pixelate`](#pixelate)
 `.modulateRotate( multiple, offset )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `multiple` :: float (default `1.0`)
@@ -345,7 +361,7 @@ See also: [`rotate`](#rotate)
 `.modulateScale( multiple, offset )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `multiple` :: float (default `1.0`)
@@ -358,7 +374,7 @@ See also: [`scale`](#scale)
 `.modulateScrollX( multiple, scrollX, speed )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `scrollX` :: float (default `0.5`)
@@ -371,7 +387,7 @@ See also: [`scrollX`](#scrollx)
 `.modulateScrollY( multiple, scrollX, speed )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `scrollY` :: float (default `0.5`)
@@ -379,5 +395,190 @@ See also: [`scrollX`](#scrollx)
 
 See also: [`scrollY`](#scrollY)
 
+---
 
----
\ No newline at end of file
+## Operators
+
+Functions for performing operations on sources.
+
+- [add](#add)
+- [blend](#blend)
+- [diff](#diff)
+- [layer](#layer)
+- [mult](#mult)
+
+### add
+
+`.add( texture, amount )`
+
+* `texture`
+  * `color` :: see [color `vec4`](#color-vec4)
+  * `src` :: see [`src`](#src)
+  * `shape` :: see [`shape`](#shape)
+* `amount` :: float (default `0.5`)
+
+Add textures.
+
+### blend
+
+`.blend( texture, amount )`
+
+* `texture`
+  * `color` :: see [color `vec4`](#color-vec4)
+  * `src` :: see [`src`](#src)
+  * `shape` :: see [`shape`](#shape)
+* `amount` :: float (default `0.5`)
+
+Blend textures.
+
+### diff
+
+`.diff( texture )`
+
+* `texture`
+  * `color` :: see [color `vec4`](#color-vec4)
+  * `src` :: see [`src`](#src)
+  * `shape` :: see [`shape`](#shape)
+
+Return difference of textures.
+
+### layer
+
+`.layer( texture )`
+
+* `texture`
+  * `color` :: see [color `vec4`](#color-vec4)
+  * `src` :: see [`src`](#src)
+  * `shape` :: see [`shape`](#shape)
+
+Overlay texture based on alpha value.
+
+### mult
+
+`.mult( texture, amount )`
+
+* `texture`
+  * `color` :: see [color `vec4`](#color-vec4)
+  * `src` :: see [`src`](#src)
+  * `shape` :: see [`shape`](#shape)
+* `amount` :: float (default `1.0`)
+
+Multiply images and blend with the texture by `amount`.
+
+---
+
+## Sources
+
+Sources are elementary generators that output different types of visual content.
+
+- [gradient](#gradient)
+- [noise](#noise)
+- [osc](#osc)
+- [out](#out)
+- [render](#render)
+- [shape](#shape)
+- [solid](#solid)
+- [src](#src)
+- [voronoi](#voronoi)
+
+### gradient
+
+`gradient( speed )`
+
+* `speed` :: float (default `x`)
+
+### noise
+
+`noise( scale, offset )`
+
+* `scale` :: int (default `10.0`)
+* `offset` :: float (default `0.1`)
+
+Generate [Perlin noise](https://en.wikipedia.org/wiki/Perlin_noise).
+
+### osc
+
+`osc( frequency, sync, offset )`
+
+* `frequency` :: float (default `60.0`)
+* `sync` :: float (default `0.1`)
+* `offset` :: float (default `0.0`)
+
+### out
+
+`.out( buffer )`
+
+* `buffer`
+  * `osc`: `o0`, `o1`, `o2`, `o3`
+  * `src`: `s0`, `s1`, `s2`, `s3`
+
+### render
+
+`render( buffer )`
+
+* `buffer`: buffer (default `o0`)
+
+### shape
+
+`shape( sides, radius, smoothing)`
+
+* `sides` :: int (default `3.0`)
+* `radius` :: float (default `0.3`)
+* `smoothing` :: float (default `0.01`)
+
+### solid
+
+`solid( r, g, b, a )`
+
+* `r` :: float (default `0.0`)
+* `g` :: float (default `0.0`)
+* `b` :: float (default `0.0`)
+* `a` :: float (default `1.0`)
+
+### src
+
+`src( input )`
+
+* `input` :: input (examples: `o0`, `s1`)
+
+### voronoi
+
+`voronoi( scale, speed, blending )`
+
+* `scale` :: float (default `5`)
+* `speed` :: float (default `0.3`)
+* `blending` :: float (default `0.3`)
+
+Generate [voronoi shapes](https://en.wikipedia.org/wiki/Voronoi_diagram).
+
+---
+
+## Parameter sequences
+
+- [Lists as parameter sequences](#lists-as-parameter-sequences)
+- [Functions on parameter sequences](#functions-on-parameter-sequences)
+    - [fast](#fast)
+
+### Lists as parameter sequences
+
+```
+osc(
+   [80, 100, 200, 50], 1 )
+)
+.out(o0)
+```
+
+### Functions on parameter sequences
+
+#### fast
+
+`fast ( amount) `
+
+* `amount` :: float (default `x`)
+
+```
+osc(
+   [80, 100, 200, 50].fast(0.2), 1 )
+)
+.out(o0)
+```
diff --git a/docs/funcs_global-variables.md b/docs/funcs_global-variables.md
index b0e56ea..0018007 100644
--- a/docs/funcs_global-variables.md
+++ b/docs/funcs_global-variables.md
@@ -31,6 +31,5 @@ osc(() => mouse.x).out(o0)
 Control the oscillator using a sine wave based on the current time:
 
 ```javascript
-osc( ({time}) => Math.sin(time) )
-.out(o0)
+osc( ({time}) => Math.sin(time) ).out(o0)
 ```
diff --git a/docs/funcs_modulators.md b/docs/funcs_modulators.md
index e42d903..b9d1d0e 100644
--- a/docs/funcs_modulators.md
+++ b/docs/funcs_modulators.md
@@ -16,7 +16,7 @@ Functions for describing modulations of sources.
 `.modulate( texture, amount )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `amount` :: float (default `0.1`)
@@ -29,7 +29,7 @@ More about modulation at: https://lumen-app.com/guide/modulation/
 `.modulateHue( color, amount )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `amount` :: float (default `1.0`)
@@ -42,7 +42,7 @@ Based on:https://www.shadertoy.com/view/XtcSWM
 `.modulateKaleid( nSides )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `nSides` :: float (default `4.0`)
@@ -54,7 +54,7 @@ See also: [`kaleid`](#kaleid).
 `.modulatePixelate( multiple, offset )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `multiple` :: float (default `10.0`)
@@ -67,7 +67,7 @@ See also: [`pixelate`](#pixelate)
 `.modulateRotate( multiple, offset )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `multiple` :: float (default `1.0`)
@@ -80,7 +80,7 @@ See also: [`rotate`](#rotate)
 `.modulateScale( multiple, offset )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `multiple` :: float (default `1.0`)
@@ -93,7 +93,7 @@ See also: [`scale`](#scale)
 `.modulateScrollX( multiple, scrollX, speed )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `scrollX` :: float (default `0.5`)
@@ -106,7 +106,7 @@ See also: [`scrollX`](#scrollx)
 `.modulateScrollY( multiple, scrollX, speed )`
 
 * `texture`
-  * `color` :: `vec4`, see [color `vec4`](#color-vec4)
+  * `color` :: see [color `vec4`](#color-vec4)
   * `src` :: see [`src`](#src)
   * `shape` :: see [`shape`](#shape)
 * `scrollY` :: float (default `0.5`)
diff --git a/docs/funcs_operators.md b/docs/funcs_operators.md
index b3d53d4..01612b0 100644
--- a/docs/funcs_operators.md
+++ b/docs/funcs_operators.md
@@ -1,50 +1,67 @@
-# Operators
+## Operators
 
 Functions for performing operations on sources.
 
-- [.add( `texture`, `amount` )](#.add( `texture`, `amount` ))
-- [.blend( `texture`, `amount` )](#.blend( `texture`, `amount` ))
-- [.diff( `texture` )](#.diff( `texture` ))
-- [.layer()](#.layer())
-- [.mult( `texture`, `amount` )](#.mult( `texture`, `amount` ))
+- [add](#add)
+- [blend](#blend)
+- [diff](#diff)
+- [layer](#layer)
+- [mult](#mult)
 
----
+### add
 
-### .add( `texture`, `amount` )
-* texture
-  * color :: vec4
-  * src
-  * shape
-* amount :: float (default 0.5)
+`.add( texture, amount )`
+
+* `texture`
+  * `color` :: see [color `vec4`](#color-vec4)
+  * `src` :: see [`src`](#src)
+  * `shape` :: see [`shape`](#shape)
+* `amount` :: float (default `0.5`)
 
 Add textures.
 
-### .blend( `texture`, `amount` )
-* texture
-  * color :: vec4
-  * src
-  * shape
-* amount :: float (default 0.5)
+### blend
+
+`.blend( texture, amount )`
+
+* `texture`
+  * `color` :: see [color `vec4`](#color-vec4)
+  * `src` :: see [`src`](#src)
+  * `shape` :: see [`shape`](#shape)
+* `amount` :: float (default `0.5`)
 
 Blend textures.
 
-### .diff( `texture` )
-* texture
-  * color :: vec4
-  * src
-  * shape
+### diff
+
+`.diff( texture )`
+
+* `texture`
+  * `color` :: see [color `vec4`](#color-vec4)
+  * `src` :: see [`src`](#src)
+  * `shape` :: see [`shape`](#shape)
 
 Return difference of textures.
 
-### .layer()
+### layer
+
+`.layer( texture )`
+
+* `texture`
+  * `color` :: see [color `vec4`](#color-vec4)
+  * `src` :: see [`src`](#src)
+  * `shape` :: see [`shape`](#shape)
 
 Overlay texture based on alpha value.
 
-### .mult( `texture`, `amount` )
-* texture
-  * color :: vec4
-  * src
-  * shape
-* amount :: float (default 1.0)
+### mult
 
-Multiply images and blend with the texture by `amount`.
\ No newline at end of file
+`.mult( texture, amount )`
+
+* `texture`
+  * `color` :: see [color `vec4`](#color-vec4)
+  * `src` :: see [`src`](#src)
+  * `shape` :: see [`shape`](#shape)
+* `amount` :: float (default `1.0`)
+
+Multiply images and blend with the texture by `amount`.
diff --git a/docs/funcs_sources.md b/docs/funcs_sources.md
index a6a1d20..ebbe5b2 100644
--- a/docs/funcs_sources.md
+++ b/docs/funcs_sources.md
@@ -1,58 +1,83 @@
-# Sources
+## Sources
 
-Sources are the 
+Sources are elementary generators that output different types of visual content.
 
-- [osc( `frequency`, `sync`, `offset` )](#osc( `frequency`, `sync`, `offset` ))
-- [render( `output buffer`)](#render( `output buffer`))
-- [shape( `sides`, `radius`, `smoothing`)](#shape( `sides`, `radius`, `smoothing`))
-- [solid( `r`, `g`, `b`, `a`)](#solid( `r`, `g`, `b`, `a`))
-- [gradient( `speed` )](#gradient( `speed` ))
-- [src( `input` )](#src( `input` ))
-- [noise( `scale`, `offset` )](#noise( `scale`, `offset` ))
-- [voronoi( `scale`, `speed`, `blending` )](#voronoi( `scale`, `speed`, `blending` ))
-- [.out( `output buffer` )](#.out( `output buffer` ))
+- [gradient](#gradient)
+- [noise](#noise)
+- [osc](#osc)
+- [out](#out)
+- [render](#render)
+- [shape](#shape)
+- [solid](#solid)
+- [src](#src)
+- [voronoi](#voronoi)
 
----
+### gradient
 
-### osc( `frequency`, `sync`, `offset` )
-* frequency :: float (default 60.0)
-* sync :: float (default 0.1)
-* offset :: float (default 0.0)
+`gradient( speed )`
 
-### render( `output buffer`)
-* default: `o0`
+* `speed` :: float (default `x`)
 
-### shape( `sides`, `radius`, `smoothing`)
-* sides :: int (default 3.0)
-* radius :: float (default 0.3)
-* smoothing :: float (default 0.01)
+### noise
 
-### solid( `r`, `g`, `b`, `a`)
-* r :: float (default 0.0)
-* g :: float (default 0.0)
-* b :: float (default 0.0)
-* a :: float (default 1.0)
+`noise( scale, offset )`
 
-### gradient( `speed` )
-* speed :: float
+* `scale` :: int (default `10.0`)
+* `offset` :: float (default `0.1`)
 
-### src( `input` )
-* input :: examples: `o0`, `s1`
+Generate [Perlin noise](https://en.wikipedia.org/wiki/Perlin_noise).
 
-### noise( `scale`, `offset` )
-* scale :: int (default 10.0)
-* offset :: float (default 0.1)
+### osc
 
-Generate Perlin noise.
+`osc( frequency, sync, offset )`
 
-### voronoi( `scale`, `speed`, `blending` )
-* scale :: float (default 5)
-* speed :: float (default 0.3)
-* blending :: float (default 0.3)
+* `frequency` :: float (default `60.0`)
+* `sync` :: float (default `0.1`)
+* `offset` :: float (default `0.0`)
 
-Generate voronoi shapes.
+### out
 
-### .out( `output buffer` )
-* output buffer
-  * osc: `o0`, `o1`, `o2`, `o3`
-  * src: `s0`, `s1`, `s2`, `s3`
\ No newline at end of file
+`.out( buffer )`
+
+* `buffer`
+  * `osc`: `o0`, `o1`, `o2`, `o3`
+  * `src`: `s0`, `s1`, `s2`, `s3`
+
+### render
+
+`render( buffer )`
+
+* `buffer`: buffer (default `o0`)
+
+### shape
+
+`shape( sides, radius, smoothing)`
+
+* `sides` :: int (default `3.0`)
+* `radius` :: float (default `0.3`)
+* `smoothing` :: float (default `0.01`)
+
+### solid
+
+`solid( r, g, b, a )`
+
+* `r` :: float (default `0.0`)
+* `g` :: float (default `0.0`)
+* `b` :: float (default `0.0`)
+* `a` :: float (default `1.0`)
+
+### src
+
+`src( input )`
+
+* `input` :: input (examples: `o0`, `s1`)
+
+### voronoi
+
+`voronoi( scale, speed, blending )`
+
+* `scale` :: float (default `5`)
+* `speed` :: float (default `0.3`)
+* `blending` :: float (default `0.3`)
+
+Generate [voronoi shapes](https://en.wikipedia.org/wiki/Voronoi_diagram).
diff --git a/docs/funsc_parameter-sequences.md b/docs/funsc_parameter-sequences.md
index 4037807..7e53163 100644
--- a/docs/funsc_parameter-sequences.md
+++ b/docs/funsc_parameter-sequences.md
@@ -1,9 +1,8 @@
-# Parameter sequences
+## Parameter sequences
 
 - [Lists as parameter sequences](#lists-as-parameter-sequences)
 - [Functions on parameter sequences](#functions-on-parameter-sequences)
-
----
+    - [fast](#fast)
 
 ### Lists as parameter sequences
 
@@ -16,6 +15,12 @@ osc(
 
 ### Functions on parameter sequences
 
+#### fast
+
+`fast ( amount) `
+
+* `amount` :: float (default `x`)
+
 ```
 osc(
    [80, 100, 200, 50].fast(0.2), 1 )