Like a building constructed with stones, cement, pillars, and iron, Scrum is a framework built on values, events, roles, and artefacts.
What are values?
Values are considered as a principle or standards in which something is built. You can change the building however you want, but you cannot change the foundation in which it is standing. Values are the same. If Scrum is the framework, then the values are its foundation.
There are five values in Scrum, and they are Courage, Focus, Commitment, Respect, and Openness.
To read more : Scrum values