On the letter can not do without commas, with them we grasp the meaning of the sentence, places an emotional emphasis. These punctuation marks are placed when in the narrative is indicated on the alternation of events, their simultaneity: "I Came, I saw, I conquered". In other cases, they bring to the text emotion: "a Thin, vulnerable soul".
Point gives the expression of completeness. Sometimes the point is put after short sentences, United by a single picture that brings the text of the expression: "too Late. The wind was cold.".
Widely used in written speech and quotation marks. With them are quotations, direct speech, words and expressions used in conditional values. The use of quotation marks draws attention to the word, utterance, sentence, emphasizes its importance, sense.
A special place in the punctuation is a dash and a colon. Both signs are endowed with specific functions. Sometimes they can be found in the same sentence, for example, at registration of the author's words and direct speech. The dash is mainly used for disclosure. It replaces the proposal in the blank: parts of the sentence, ligaments in the predicate, adversative unions. Dash as if to compensate for the missing words, keeping them in their place. In recent years, this punctuation mark often replaces a colon, especially in asyndetic sentences join between the homogeneous members, which gives the text consistency, density. Choice dash instead of the more conventional punctuation: semicolon, colon, provides the work with expressiveness, vigor. Dash – the most capacious, semantically, punctuation, with a wide range of actions.
With punctuation set of semantic relations in a sentence, specifies the structure of the text. The choice of punctuation depends on the manner of presentation, the nature of the text.