affordance
noun [ U ] psychology specialized uk/əˈfɔː.dəns/ us/əˈfɔːr.dəns/
预设用途，功能特性
a use or purpose that a thing can have, that people notice as part of the way they see or experience it
In design, perceived affordance is important — that is, our implicit understanding of how to interact with an object. 在设计方面，感官可见的预设用途是很重要的——这就是我们对应该如何使用某物的模糊认识。