take the place of or be parallel or equivalent to

express indirectly by an image, form, or model; be a symbol

be representative or typical for

be a delegate or spokesperson for; represent somebody's interest or be a proxy or substitute for, as of politicians and office holders representing their constituents, or of a tenant representing other tenants in a housing dispute

serve as a means of expressing something

be typical of

form or compose

be the defense counsel for someone in a trial

create an image or likeness of

play a role or part

perform (a play), especially on a stage

describe or present, usually with respect to a particular quality

point out or draw attention to in protest or remonstrance

bring forward and present to the mind

to establish a mapping (of mathematical elements or sets)