CMD+R
go to function in current file
CMD+Option+Down
find function definition in another file (from cursor word)
CMD+D
/ CMD+U
jump & select next word occurrence / (undo) D
and U
also work in bash / zshell to scroll down / up half pages
CMD+G
/ CMD+Shift+G
goto next / previous word without adding to selection
CMD+{
/ CMD+}
focuses left / right tab (same in terminals, browser, kapeli dash, etc.)
CMD+[
/ CMD+]
shift line left / right (chrome forward / backward nav, devtools changes panel)
CMD+Control+Up
/ CMD+Control+Down
shift line up / down
CMD+K->(some number)
fold to indentation
CMD+K->J
unfold all
CMD+Option+[
/ CMD+Option+]
fold / unfold current line's children
CMD+,
is preferences in most all Mac application