I travel in circles but never move far, I mark who you are, yet I’m not a scar. I can call without speaking, bind without rope, A small shining loop, or a sound filled with hope. What am I?

Drop my letter last to bring the lighting down to low Nix my third to end it all, the curtain stops the show Ditch my first, you've got two words referring to yourself But altogether, thirty second president is smelt

Without our first, we're mealy grains. Without our second, we dangle. Without our third, a forum's banes. Without our fourth, we strangle. Without our fifth, we're almost beat, But all together, we're fleet!

Small, shrunken No longer serving the purpose I once did. I'm still here though. A remnant of what I was.

Forwards, I'm a pair of holes as black as deepest night Backwards, I'm a whoopsie, biff, mistake to be set right