Abbreviation: forms, uses, and how it differs from acronyms Abbreviation Overview of abbreviations: definitions, types (initialisms, acronyms, contractions), punctuation and style, common examples, history, and guidelines for clear use.
Colon (punctuation): form, function, and usage Colon (punctuation) Overview of the colon punctuation mark, its appearance, common uses in writing and typography, basic style rules, and roles in other languages and computing.
