面对公共场合的某一个水管，没办法立刻确定是该按压还是旋转它，看着通道前的一扇门，不知是应推还是拉，拿着一个操作键海量的电器遥控器却无从下手……美国心理学家唐纳德-诺曼将设计不佳，不利于用户用的物品，称为“诺曼”。所以那些叫人不了解是推还是拉才能打开的门，被叫做“诺曼门”。
Norman door is a door with a design that makes it difficult to determine the correct way to open the door.
不了解如何开门才是正确的，有如此设计的门就称为“诺曼门”。
A so-called “Norman Door” has design elements that give you the wrong usability signals to the point that special signage is needed to clarify how they work. Without signs, a user is left guessing about whether to push or pull, creating needless frustration.
所谓的“诺曼门”的设计元素给你错误的用法信号，以至于需要特殊的标识叫人搞了解该如何开关。假如没标识，用户就要猜测该推还是拉，致使非必须的挫败。
The “Norman door” dilemma can be seen in the design of many other everyday items, and even more so in the design of software and website interactions.
“诺曼门”困境在其他平时用品的设计中也非常容易见到，在软件设计和网站交互应用中更是这样。)
