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The dot (.) is a graphic sign that is used to mark the end of declarative or imperative sentences (affirmative or negative). It is a punctuation mark that delimits the sentences of a text, indicating the end of the speech. If the sentence is interrogative, use the question mark, and if it is exclamatory, the exclamation point. It is also used to indicate abbreviations and acronyms, for example: D. Maria (short for Dona); D. João (abbreviation of Dom); Mr. (short for lord), Pg. (abbreviation of page); UN. (acronym for United Nations Organization).
