Yes, that is correct. And while you cannot say, of two vectors A and B, that "A< B" or "B< A", you can say that |A|< |B| or |B|< |A|.

But given two vectors (or even numbers) you **cannot** say "|A+ B|> |A- B|. For example, if B= -A then |A+ B|= 0 while |A- B|= 2|A|.(Nod)