The document outlines 5 rules for using semicolons: 1) Use a semicolon to separate two complete sentences when a conjunction is omitted. 2) Use a semicolon before introductory words like "for example" that introduce a complete sentence. 3) Use a semicolon or comma before introductory words that introduce a list following a complete sentence. 4) Use a semicolon to separate items in a series if one or more items contain commas. 5) Use a semicolon between two sentences joined by a conjunction if the first sentence contains one or more commas.