Way back on Oct. 29, Real Story Group, a vendor evaluations company, published an interesting article and graphic on the various DAM landscape forms, dividing vendors up into four categories;
Complex, Legacy Complex, Mid-Range and Simpler.

It is a useful framework for input on which DAM vendors might be most suitable for consideration in your initial DAM discovery process for your enterprise. More at:
https://www.realstorygroup.com/Blog/3287-Navigating-the-DAM-Divide