selectionrule

noun
UK /sɪˈlɛkʃən ruːl/
US /sɪˈlɛkʃən ruːl/

A selection rule is a rule that says which choices are allowed and which are not.

The game has a selection rule that lets each player pick only two cards.


OTHER MEANINGS

2. In science, a selection rule is a rule that tells which changes in a system can happen and which cannot.

The selection rule explains why only certain colors of light are seen from the glowing gas.

3. In sports, a selection rule is a rule about who may be chosen for a team.

The coach followed the selection rule and picked players who came to every practice.

4. In computing, a selection rule is a rule that decides which items a program will pick.

The app uses a selection rule to show only the photos taken today.