UX design is the process of brainstorming solutions to improve user experiences by addressing the user’s needs, wants and pain points.
https://www.justinmind.com/ux-design/ideation-techniques
Brainstorming
This is an informal way to combine problem solving and lateral thinking.
mindmapping
this is a concise and organised summary of your ideas begining witha main idea and working your way out with side notes
Sketching and Crazy 8s