How can we distinguish between knowledge, belief and opinion?

Degree of certainty

click to edit

Knowledge

Opinion

Belief

Certain

Some certainty

Has no certainty

Accepted by a group of people

Personal

More connected to a fact

Accepted by almost everyone

Non-factual

Some connection to a fact

Distorted by emotions

Mostly subjective

Mostly non-factual

Backed up by evidence

Has no evidence

Can be backed up by evidence

Based on emotions

Based on emotions

Isn't based on emotions