The plural form of you, including everyone being addressed.
The speaker(s)/writer(s) and the person(s) being addressed. (This is the inclusive we.)
The institution upon which the speaker/writer is acting. (This is the editorial we, used by writers and others when speaking with the authority of their publication or organisation.)
How are we feeling this morning?
A second- or third-person pronoun for a person in the speaker's care.
The speaker or writer, used to imply connection between the speaker's experiences and a group of listeners.
Hey guys, how's it going? Today we are going to be playing a new game.
The sovereign alone in their capacity as monarch. (This is the royal we. The reflexive case of this sense of we is ourself.)
Us.
The speakers/writers, or the speaker/writer and at least one other person (not the person being addressed). (This is the exclusive we.)
How are we all tonight?
The speakers/writers, or the speaker/writer and at least one other person.
You (plural).