... For example, a statement expresses a belief, an exclamation expresses a feeling, a request expresses a desire, and an apology expresses a regret. As an act of communication, a speech act succeeds ... situated discourse communities, created and shaped by language. So culture is always changing because culture consists of learned patterns of behavior and belief, cultural traints can be unlearned ... the aspect of direct and indirect speech act, Searle [40] agrees that the simplest cases of meaning are these in which the speaker utters a sentence and means exactly and litterally what he says...