https://www.nngroup.com/articles/ten-usability-heuristics/ Usability heuristics for user interface design always tell user what the system is doing tell the user in their language, not system’s language, and follow real world convention. (联想拟物化设计，为了模仿物理世界；如今用户习惯培养起来后，改成平面化设计) user control and freedom. Always provide an emergency exit for user. like cancel/redo/undo. prevent user errors. Providing confirmation dialog/undo, put […]