The context in which communication takes place is termed as:

The context in which communication takes place is termed the environment, the whole surrounding setting of place, time and circumstance.

Historical background names past events behind a situation, only a part of context and not the general term for the setting of communication.

Objectification means treating something as an object, a concept unrelated to naming the surroundings of communication.

Media sphere points narrowly to the world of media, not the broad situational context in which any communication unfolds.

Physical space, social occasion and cultural moment together make up this environment.

The same message can carry different meaning as its environment shifts.