Explaning words of one language in another which lacks equivalents is always tricky. I think this article does better than most. But could do better. E.g. > L

Explaning words of one language in another which lacks equivalents is always tricky. I think this article does better than most. But could do better. E.g. > Let's update the first list so that these two lists do have equivalent values: s/equivalent/equal/ > The variables a and b point to different lists, so they're equal but not identical. s/different/separate/ Few would understand different in a way that can be true of equal lists.