Yep, the "micro" part of it just means that it's very minor/shallow/not easily seen with the naked eye.
The marring left by polishing is usually different looking from the "usual" stuff that comes from a wash. But it's generally all the same thing and is dealt with in the same way...by the use of the appropriate abrasive on the appropriate pad.
Sometimes it can take a bit of experimentation to get just the right final finish (if you care about that last little %
), but generally two-three steps oughta do it: the first step replaces the existing marring (scratches, washing marks, etc.) with some reasonably uniform micromarring (little flaws you can barely see) from the pad and product; the next step removes that and leaves the finish basically "perfect"; a final, *very* fine pad/product combo then brings up an even nicer gloss, providing an improvement that you didn't even know it needed.