Meaning of WE in English

we S1 W1 /wi; strong wiː/ BrE AmE pronoun [used as the subject of a verb]

[ Language: Old English ]

1 . used by the person speaking or writing to refer to himself or herself and one or more other people:

‘Did you go into the supermarket?’ ‘No, we didn’t.’

Shall we stop for a coffee?

So we all travelled down to Brighton together.

We declare our support for a government of national unity.

We Italians are proud of our history.

2 . used by a writer or speaker to include themselves and their readers or listeners:

As we saw in Chapter 4, slavery was not the only cause of the Civil War.

3 . people in general:

We live on a complex planet.

4 . formal used by a king or queen to refer to himself or herself

5 . spoken sometimes used to mean ‘you’ when speaking to children or people who are ill:

How are we feeling today, Mr Robson?

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.