Interfaces are vital in programming. Pages on this wiki dealing with programming interfaces:

* InterfaceCzar
* InterfaceDefinitionLanguage
* InterfaceDirector
* InterfaceDiscovery
* InterfaceEnforcement
* InterfaceEngines
* InterfaceFactories
* InterfaceMarket
* InterfaceSegregationPrinciple
* InterfaceSystems
* InterfaceTags
* InterfaceWikiPage
* InterfacesAreFormalSystems
* InterfacesCannotBeEngineered
* InterfacesForDefiningConstants
* InterfacesInPython
* InterfacesIndependentOfImplementation
* InterfacesLast
* InterfacesShouldBeAdjectives
* InterfacesShouldBeNouns
* InterfacesVsClasses
* InterfaceBasedProgramming

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I think Interfaces are important also for WebServices and ServiceOrientedArchitecture (the future).  In 2004 an example would be the MicroSoft Biztalk server addressing EnterpriseApplicationIntegration (EAI) using store-and-forward MessageQueuing techniques.

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You may instead be looking for CategoryUserInterface.

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CategoryCategory