simplerule

noun
UK /ˈsɪmpəl ruːl/
US /ˈsɪmpəl ruːl/

A simple rule is an easy instruction that tells you what to do.

The teacher gave us a simple rule: raise your hand before you speak.


OTHER MEANINGS

2. A basic principle that is easy to understand and follow.

The simple rule of sharing keeps everyone happy at playtime.

3. A short, clear statement used to guide behavior in a game or activity.

The simple rule of the game is to pass the ball to a friend.

4. A straightforward standard used to make decisions quickly.

Our simple rule for snacks is one fruit and one cookie.