Gregory's Server@davidaugust I do agree not every single element does require prior explanation (although it comes from patterns being learned either directly or via other life experience). An interesting (but not easily digestible) read on the topic is the ISO9241 ;)
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A door knob is a tool, not an interface but let’s use it as a metaphor here: there are interfaces and tools that are learnable without instruction manual (and some of them might be great). However this being true doesn’t mean that interfaces requiring explanations and instructions are bad or poor. |
@Maker good call, and good reference and wink on ISO9241. I think good documentation is vital, whether inline or separate like a manual. I also think most contexts should allow base usability without needing to use documentation.
A round door knob is intuitive once one is shown but only if one is not differently limbed. However, a door handle (like pictured) even some animals may be able to figure out with no instruction or example. It is more accessible and typically more usable.