Notes on user experience elements: user centered product design

elements

Strategic level =》 Range layer =》 The structure layer =》 Frame layer =》 The presentation layer

As the level rises , The decisions we have to make will become concrete little by little , And it involves more and more details

Each layer is determined by the layer below it , When we make a decision that is not consistent with the upper and lower levels , It indicates that the project has deviated from the normal track