We useoutandout ofto talk about position and direction.
We useoutas an adverb to mean ‘not in a building or an enclosed space’:
[the speaker is outside talking to someone inside]
Don’t comeout. It’s too cold.
[a phone call]
A:Is Billy there?
B:No he’sout. (not at home)
Why’s the cakeout? Put it back in the fridge or the chocolate will melt.
We useout ofas a preposition to talk about movement from within somewhere or something, usually with a verb that expresses movement (e.g.go,come). It shows where something is or was going:
You goout ofthe building and turn right.
He pulled a letterout ofhis shirt pocket, opened it and handed it to her to read.
When I reached the corner, I jumpedout ofmy car and ran across the road.
Outis the opposite ofin.Out ofis the opposite ofinto:
We useoutas a verb particle in phrasal verbs:
Lookoutthere’s a car coming.
I thought I’d phone and findouthow you are.
Out of: all gone
We useout ofto say that something is all gone:
The printer isout ofink. We need to get some soon.
[at a restaurant]
I’m afraid, we’reout ofsoup.
You will find other meanings ofoutin a good learner’s dictionary.