Definition: User experience diagram is a visual representation of user experience in order to achieve a certain goal, which is used to help understand users' needs and find users' pain points.

The most basic form is to gather a series of users' needs and behaviors in a time frame, then fill the user's thoughts and emotions into the time frame to describe them, and finally show this narrative in a visual form to guide the design process (from the user's point of view).

For example, this:

If my efforts are helpful to you, I hope they can be adopted by you, thank you ~