English Plus+
English Plus: Semicolons and Colons
Rules for using semicolons and colons. Examples include semicolons with clauses, semicolons with lists, colons with quotes, colons with lists, and colons with appositives. L.9-10.2a Punc/Indep Clause
Grammarly
Grammarly Blog: Dashes
This page focuses on the rules for the use of dashes. Explains what a dash is, what it does, and the three formats of dashes (em, en, and the double hyphen). Examples are provided with the "dash" used in different contexts.