Pattern Library.

A formal way of documenting a solution to a common design problem. The idea was introduced by the architect Christopher Alexander for use in urban planning and building architecture, and has been adapted for various other disciplines, including teaching and pedagogy, development organization and process, and software architecture and design.

How to Use the Best UI Design PatternsUX PinJuly 17th, 2019
Shared libraries: which one to use?UX CollectiveOctober 31st, 2017
How and why to create a pattern libraryBoagworldJuly 11th, 2017
4 Best User Interface Design Pattern LibrariesUX MovementSeptember 13th, 2010