A notion is a general understanding or belief about something. It can also refer to an idea or concept that is commonly accepted or held by people.
The belief in God is commonly referred to as "theism".
may be one of these; axiom;1 : a maxim widely accepted on its intrinsic merit2 : a statement accepted as true as the basis for argument or inference3 : an established rule or principle or a self-evident truth factoid:1 : an item of unreliable information that is repeated so often that it becomes accepted as fact2 : a brief or trivial item of information. putative;1 : commonly accepted or supposed2 : assumed to exist or to have existed truth;1: the quality or state of being true.2 : (also the truth) that which is true as opposed to false.3 : a fact or belief that is accepted as true.
Social norms.
that man was a product of evolution is a scientific belief, where god made man is a religious belief -- commonly associated with this question.
More Traditional
Business standards, rules, and objectives commonly accepted.
Religion relativism
Believe is a verb, it indicates that a person has come to some kind of conclusion or has accepted something as being factual or true, as in, I believe that you are a good person. Belief is a noun, it is a specific assertion, conclusion, or datum of whatever sort, that someone has accepted as true. It is my belief that you are a good person. Belief in evil spirits is superstitious. Hence, I do not believe in evil spirits.
Accepted custom
The owl is not a commonly accepted symbol within Freemasonry.
Values that are commonly accepted and are not extreme in any way.