C-c C-n and
C-c C-p to cycle between headings.
TAB on a heading to expand/collapse.
M-down to reorder sections.
M-right to change the level of a heading.
M-RET inside a list to create a new bullet.
TAB in a new bullet to indent it.
S-right to change the bullet-style.
- [ ]
M-S-RET gives a checkbox.
C-c C-c checks it.
TAB for subdivisions.
- [X] When all subtasks are checked, so is the main one.
- [X] A trailing  in the line preceding a list of checkboxes contains a summary (2/3 in this case).
C-c C-e for everything.
h o exports to html.
# brings up common templates.