Keywords: behaviour, behave

Found 3 variants for this sign (click on video to enlarge):

Sign Definition

As a Noun

1. The way someone acts which people think is correct and proper. English = good behaviour.
2. The typical way that people, animals or even things act, function, or change. English = behaviour.

As a Verb or Adjective

1. To act in a way that people think is correct and proper. English = behave well.