act as vs represent

act as and represent both are verbs.

Word	Noun	Adjective	Verb	Adverb
act as	No	No	Yes	No
represent	No	No	Yes	No

act as (verb)	represent (verb)
pretend to have certain qualities or state of mind	to establish a mapping (of mathematical elements or sets)
function as or act like	serve as a means of expressing something
	express indirectly by an image, form, or model; be a symbol
	point out or draw attention to in protest or remonstrance
	bring forward and present to the mind
	describe or present, usually with respect to a particular quality
	create an image or likeness of
	play a role or part
	perform (a play), especially on a stage
	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
	be representative or typical for
	be the defense counsel for someone in a trial
	form or compose
	be typical of
	take the place of or be parallel or equivalent to