…gnitive load by forcing users to either closely consider every action or try all available options. Playing any music or videos without a familiar “play” icon would be difficult. Finding a bathroom at the airport without familiar ideograms would turn into an unbearable experience.
…s of the product to a wide variety of stakeholders including clients, colleagues, and team members. Design principles articulate the fundamental goals that all decisions can be measured against and thereby keep the pieces of a project moving toward an integrated whole.”
We also used these principles to explain our decisions to the entire team and stakeholders. Design Principles are extremely useful to lay out foundation of design decision-making without going into too many confusing details. Quoting after Luke Wroblewski: