command

A generic term that encompasses operators, functions, procedures, condition structures, and loop structures.

expression

A piece of PlanetPress Talk code used in a PlanetPress Talk-enabled input box, which will always return a value of the type expected by that input box. For example:

=strtoint(@(1,1,4))

statement

A single line of PlanetPress Talk code. For example:

define(&max, integer, strtoint(@(1,1,4)))

script or

program

A sequence of one or more statements, executed sequentially. For example the following script draws a filled shape:

moveto(1,1)
lineto(1.5,2)
curveto(1,1,1,3,0.5,2)
closepath()
stroke()