Key	Description	Mnemonic	Note
M-RET	insert heading at point		TODO with S-
C-RET	insert heading at end of subtree		TODO with S-
C-c C-q	toggle tag
C-c C-x p	set property	property
C-c C-x o	toggle ORDERED property	ordered
M-<up>	move subtree(s) backward
M-<down>	move subtree(s) forward
M-<right>	promote heading(s)		or C-c C-x r
M-S-<right>	promote subtree		or C-c C-x R
M-<left>	demote heading(s)		or C-c C-x l
M-S-<left>	demote subtree		or C-c C-x L
C-c C-w	refile subtree		like C-w
C-c M-w	refile subtree copy		like M-w
M-h	mark (next) element		repeatable

The kill ring key bindings match the standard Emacs key bindings for plain text. These work anywhere in the subtree, not just on headings.

Key	Description	Notes
C-c @	mark subtree
C-c C-x C-w	kill (cut) subtree	like C-w
C-c C-x M-w	copy subtree	like M-w
C-c C-x C-y	yank (paste) subtree	like C-y, w/ C-u below, w/ C-u C-u as child
C-c C-x DEL	delete subtree	like DEL, custom
C-c ^	sort subtree by …	also works in tables

Just the level 1, 2, and 3 headings appear in the table of contents and have prominent titles throughout the document. Any further headings do not.