an author's (ability to provide a) description of a character or through her or his actions, words, personality and other typical features so that the reader, viewer etc can identify her or him clearly

marker, description; brand

to make a note of, put to one side, (money etc) for a particular use

signature characteristic

a device that represents something

crest

a mark produced by pressing or printing

impression; symbol

(any kind of) coloured liquid used for writing and printing

blemish; character

a piece of paper or other material used for describing what something is

marker, description; brand

a line, scratch, cut, stain etc that spoils the appearance of something; a sign or indication

blemish; character

a person's name signed by herself or himself

sign

an easily remembered phrase used to advertise something or to make clear the aim(s) of a group, campaign etc

motto

a metal or plastic point at the end of a shoelace, string etc; a label (showing size, a price, an address etc) fastened to or stuck into something

label, ticket