do's and don'ts

US /duːz ənd doʊnts/
UK /duːz ənd doʊnts/
"do's and don'ts" picture
1.

rules about what you should and should not do in a particular situation

:
Before you travel, make sure you know the do's and don'ts of the local culture.
The company provided a clear list of do's and don'ts for new employees.