information that is essential to understanding a situation or problem
a person's social heritage: previous experience or training
information that is essential to understanding a situation or problem
extraneous signals that can be confused with the phenomenon to be observed or measured
relatively unimportant or inconspicuous accompanying situation
the state of the environment in which a situation exists
(computer science) the area of the screen in graphical user interfaces against which icons and windows appear
the psychological result of perception and learning and reasoning
