punctuation mark used at the end of a complete statement to introduce a list, a long quotation, or an explanation

punctuation mark used to signal a pause longer than that of a comma but not as long as that of a period

punctuation mark used with two or more words that act as a single unit or to divide a word at the end of a line

punctuation marks used to set off extra or incidental information from the rest of a sentence

punctuation mark used to mark a break between two complete thoughts or to mark off items in a series when the items themselves contain internal punctuation (such as commas)