An acronym is when the letters that stand for something make a word, or a sort of word. So PET might stand for 'Personal equipment tags' or the like.

I'm planning on making a shapeshifter who's already had a few cycles to get the hang of their powers. Is there a canonical number of timeloops we've experienced before the game starts, or is it vague? Also, if we die in one loop we'll be fine in the next if I put a few fatal incidents in the background?