Function/ Map/ Image/ Range/ Domain/ Codomain

f: X → Y

f: Function (Map)

X: Domain

Y: Codomain

Image: In mathematics, an image (range) is the subset of a function's codomain which is the output of the function on a subset of its domain.

http://en.wikipedia.org/wiki/Map_%28mathematics%29

http://en.wikipedia.org/wiki/Image_%28mathematics%29

http://en.wikipedia.org/wiki/Codomain