I think one point that sometimes gets overlooked is that there are different types of presentations. For example, a set of slides that are designed to accompany

I think one point that sometimes gets overlooked is that there are different types of presentations. For example, a set of slides that are designed to accompany lectures for a course on partial differential equations should be very different from a set of slides designed to pitch a business idea, especially if the lecture slides are intended to also serve as notes/textbook.