Jakob Nielsen's 10 general principles for interaction design. They are called "heuristics" because they are broad rules of thumb and not specific usability guidelines.
Usability
10 Usability Heuristics for User Interface Design
Knowledge
The 8 competencies of user experience: a tool for assessing and developing UX Practitioners
A UX practitioner demonstrates 8 core competencies. By assessing each team member's 'signature' in these eight areas, managers can build a fully rounded user experience team. This approach also helps identify the roles for which each team member is most suited alongside areas for individual development.
Craft, Leadership
The 8 competencies of user experience: a tool for assessing and developing UX Practitioners
Microinteractions play a large role in our digital lives, even if we don’t always notice them. From the time your phone’s alarm wakes you in the morning to liking your friends’ posts on Facebook to the notifications about new emails and Instagram messages—we encounter microinteractions all day.