Try stay away from company names like that, or names that are acronyms of companies, they are usually trademarked and it can only lead to trouble for you
HD can stand for many different things. Hard Drive, Home Depot, High Def, Heavy Duty, Hard Drives, Help Desk, Hot Dog, High Dose, Hardware Design, etc etc.
It doesn't really matter to me. I just had this and thought I would get some ideas of what if anything it was worth. I figure the person purchasing it would have the idea of what HD stood
for, what do you mean I best focus on one? I've never done this before.