// (comment) Structure Web & Application // Draws two lines which divides the window // into four quadrants line(0, 50, 100, 50); // Draw the horizontal line line(50, 0, 50, 100); // Draw the vertical line Explanatory notes embedded within the code. Comments are used to remind yourself and to inform others about the function of your program. Single-line comments are signified with the // characters. Comments are ignored by the compiler. // comment comment any sequence of characters /* */ (multiline comment) 1.0 Operator PDE