To stretch the definition a little further, consider a standard user interface.

为了进一步阐述这个定义，我们来看一个标准用户界面。

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It is a communication standard for a user interface interaction with its own ecosystem and can become the hub of communication in a software development environment.

它是一种用户界面交互通信标准，也可以作为软件开发环境中通信的标准。

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The sockets layer is the standard API to the networking subsystem and provides a user interface to a variety of networking protocols.

socket层是网络子系统的标准API，它为各种网络协议提供了一个用户接口。

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Inclusion of an advanced user interface or content discovery engine, but not a standard browser with typed search terms like a PC.

FORBES: Internet Creeps Into New TVs; In 2010, 21% Had Connectivity

Featuring a Starter Mode with helpful widgets, a smooth, simplified user interface and a long-lasting battery, as well as a Standard Mode with five customizable home screens, Lucid2 offers a more personalized experience that can be easily tailored to any user's preferences.

ENGADGET: LG Lucid2 available at Verizon for free on April 4th, entry-level smartphone lovers rejoice