Conceit
develops a comparison which is exceedingly unlikely but is intellectually imaginative
Claim
if somebody gives an argumentative to support his position
Catharsis
emotional discharge through which one can achieve a state of moral or spiritual renewal
Cliche
refers to an expression that has been overused to the extent that it loses it original meaning or novelty
Concession
used in argumentative writing were one acknowledges a point made by ones opponent