Norms are unwritten rules that the culture of a society goes by, like shoes going on one's feet or walking forward. Two types of norms are folkways, which are standard customs that are socially approved , but not morally significant and mores, or norms of morality.
Below shows what happens when a folkway is disrupted and when a more is not followed.
The first video is a girl riding a shopping cart in a store. Now while this isn't against the law, it's still not normal.
The next video shows an immoral disruption, flatulence.