A

algorithm

Some logical process for accomplishing a task.

D

data

Plural of datum.

datatype

Formally defined type of information, or data, either native or defined in a class or prototype. May be part of any of several type systems, although none is absolutely necessary.

datum

A single unit, or item, of information. Plural data.

domain

A type of use for one or more languages. A language used in a single domain is called a domain-specific language.

F

for loop

A loop construct used to count iterations, potentially to limit them.

function

A sequence of instructions with no side-effects which returns a value, modeled after the algebraic function. Many languages use this term in place of subroutine, which this may be considered a type of. Related terms include procedure and method.

M

method

A subroutine attached as a member to a class or object. Related terms include procedure and function.

P

procedure

A sequence of instructions which has side-effects and does not return a value. The BASIC family of languages use this term in place of subroutine, which this may be considered a type of. Related terms include function and method.

S

subroutine

A sequence of instructions which may have side-effects and may return a value. Related terms include function, method, and procedure, all of which may be considered as types of subroutines. Less commonly known as a routine.

static

In class-based programming, of a member attached to a class rather than to each instance, or a class which exclusively contains such members.