> In emacs, it's just Ctrl+a and Ctrl+e to go to beginning of line and end of line respectively.

This also works for most terminal emulators unless you've customized your bindings. It's really handy to go-to the beginning or end of a terminal command.

> they're much faster than lifting a hand up to go hit Home or End

Hmm, I see jumping by words is Alt+f and Alt+b, which seems more awkward to follow up with than Ctrl+Home followed by Ctrl+Left, say. Then again, mostly depends on time spent I doing it assume.

Maybe it's just my personal workflow, but I rarely feel the need to go forward/back by word. Beginning or end of line are common and useful, but otherwise if I want to get to a specific word/line that I'm looking at, I will mostly do Ctrl+s to search and basically jump there immediately or in one or two hops (or Ctrl+r to search backwards). It's hard to convey, but it feels less like "navigating" or "moving" around a 2-dimensional grid of text and instead just teleporting to exactly where I want.