emacs Erasing Text

DEL

BACKSPACE

Delete the character before point, or the region if it is active (delete-backward-char).

Delete

Delete the character after point, or the region if it is active (delete-forward-char).

C-d

Delete the character after point (delete-char).

C-k

Kill to the end of the line (kill-line).

M-d

Kill forward to the end of the next word (kill-word).

M-DEL

Kill back to the beginning of the previous word (backward-kill-word).