Symbole D’interdiction

Que signifie Symbole D’interdiction ?

A plain red prohibition circle crossed by a diagonal slash over an empty center.

1. 01Represents prohibition and a general not-allowed rule
2. 02Signals stopping, forbidding or rejecting an unspecified action
3. 03Can strongly say no without naming the prohibited item
4. 04Conveys a universal restriction whose object comes from context