For example, a founder looking to create a wizard. She will be able to browse examples of current best practices (B2B or B2C), choose one of them and then customize - change the fonts, colors, padding, copy, etc.
Basically what Optimizely/Lander have done for landing pages, I want to do for UI/UX components (e.g. sign up flows, call to actions, menus, support requests, etc.)