Good interaction design principles: Visibility of system status Match between system and real world User control and freedom Consistency and standards Error prevention Recognition rather that recall Flexibility and efficiency of use Aesthetics and minimalist design Help users recognize, diagnose, and recover from errors Help and documentation
Category: UI and UX
Design Thinking
It leaves at the intersection of the following: Desirability (people) Viability (business) Feasibility (technology)
Product Development Life Cycle
Stages: Brainstorm Define Design Test Launch