When you're designing interfaces for the best user experience, it helps to have guiding principles.
The Nielsen-Norman group has established usability heuristics that guide a designer’s thought process while designing.
Here’s a take on the original heuristics but with a twist by adding a few more to account for aesthetics and joy. An interface needs to not only be functional but also emotional.
The design heuristics are grouped under Understandability, Reliability, Efficiency, and Aesthetics.
https://thediscourse.substack.com/p/design-heuristics-the-discourse-3?s=w