C-w is "wipe", and M-d is "delete". C-d is also "delete" but one character. There are several Emacs combos where C- is for single characters and M- is for whol

C-w is "wipe", and M-d is "delete". C-d is also "delete" but one character. There are several Emacs combos where C- is for single characters and M- is for whole word, like C-f/M-f, C-b/M-b etc. M-w also exists in Emacs proper but it's "wipe without delete" or in common parlance, "copy".