Design Principles should help the product team remain focused on a consistent vision of what makes our product experience unique. They should be specific enough to differentiate us from other products, reflect our values, and help us make decisions; but broad enough to apply universally to our product. - https://blog.asana.com/2013/10/design-principles/
Universal Design is 'The Design and composition of an environment so that it can be accessed, understood, and used to the greatest extent possible by all people regardless of their age, size, ability or disability.' - section508
Why for Samvera?
Opportunity for engagement, independent of any particular application/module