core value
nounUK /kɔː ˈvæljuː/
US /kɔːr ˈvæljuː/
A core value is a rule about what is right that a person or group really believes in.
Being kind to everyone is a core value at our school.
OTHER MEANINGS
2. A main belief that guides how a company or team acts.
Honesty is a core value of the company.
3. A deeply held idea that shapes a person's choices.
Helping others is one of her core values.
4. A central rule that a group uses to decide what is good.
Fairness is a core value in the game.