Rules and behavories we are expected to know are called the unspoken rules.
a norm is a specific guide to behaviour in particular situations; it is the normal way to react/behave
"The norm" is simply "normal", but is stretched to mean "the average", "the mean value" or "the most common".
The norm in society is what the "normal" thing to do in other peoples eyes.Like in summer when its hot, the norm thing to do would be to wear shorts and a tank top. The non-normative thing to do...
Generally understood behavior. It is not written down or enforced by the law.
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