Product design principles

What are product design principles?

Product design principles are guiding rules defining what is good product design for us and a decision-making tool for ambiguous situations. They let us not spend time on non-productive discussions. Once everyone agrees to principles we do not argue about them.

What informs product design principles?

• Vision and mission
• Team goals
• Team values (what is good design for us).

Where should principles be used?

Requirements & planning discussions, design feedback & reviews sessions, mainly when we have several versions of design and we want to choose.