| back | a flow that returns toward its source |
|---|---|
| back | a flow that returns toward its source |
| back | a board game for two players |
| back | the board on which backgammon is played |
| back | scenery hung at back of stage |
| back | (computer science) the area of the screen in graphical user interfaces against which icons and windows appear |
| back | a person's social heritage: previous experience or training |
| back | information that is essential to understanding a situation or problem |
| back | the part of a scene (or picture) that lies behind objects in the foreground |
| back | relatively unimportant or inconspicuous accompanying situation |
| back | extraneous signals that can be confused with the phenomenon to be observed or measured |
| back | the state of the environment in which a situation exists |