Educational design is different at every level of education. Other words, other terms. By being able to select their own pedagogy/educational vision, a team of teachers/developers is able to develop education with their own terms and comprehension. It also helps participants coming from different institutes to collaborate together as they can learn each other “languages”.
Examples of (sets of) purple cards: https://photos.app.goo.gl/gAXXe837ffhtPuP17