Base Infrastructure Schema > naming-guidelines > standard abbreviations and acronyms Edit this page Standard Abbreviations, Acronyms, and Naming Rules Generally, abbreviations and acronyms should only be used where they are commonplace, expected, and unambiguous. Otherwise, avoid them. Consistency should be the primary goal when naming new concepts in the context of existing ones. Accepted Abbreviations Abbreviation Word Db Database Id Identifier Acronyms and Numeronyms Acronym Phrase 1d, 2d, 3d One-, Two-, Three-Dimensional (note lowercase "d") Html HyperText Markup Language EC Entity Classification IO Input/Output UI User Interface Uri Universal Resource Identifier See http://www.w3.org/TR/uri-clarification. We prefer the term Uri over Url/Urn for the reasons mentioned in the line above. If it is truly an Urn then rather use ‘Code’ I18N Internationalization L10N Localization Naming rules Don’t Use These Rather Use Desc Description Geo, Geom Geometry Uuid Guid Mngt, Mgmt, etc Management Url, Urn Uri Def Definition Ref Reference Last Updated: 15 June, 2021