The point is accessibilty is built into the design and not an afterthought.
1. Equitable use - if it needs to be altered the alteration is identical/ equivalent & has the same security & safety of original.
2. Flexible use - can be adapted to suit needs (eg) product can be used by left & right handed people
4. Perceptible - information is given in multiple ways & has maximum readability.
5. Tolerance for error - minimize hazards and provide warning in multiple ways
7. Appropriate size and space for use.
These principles can mean different things in different situations but I will touch on what they mean for the different scicomm methods I'll go through this week.
*I know science communicators don't exclusively come from universities, this is my experience.