Denoting a distinguishing mark applied to a letter or character.
distinguishing
A special mark added to a letter to indicate a different pronunciation, stress, tone, or meaning.
Characteristically representing something by form, group, idea or type.
Capturing the overall sense of a thing.
Normal, average; to be expected.
Of a lower taxon, containing the type of the higher taxon.
Anything that is typical, normal, or standard.