This is exactly how I feel in windows coming from a mac, super-constrained due to lack of hotkeys to navigate.

Ctrl+A = start of line, ctrl+e = end, ctrl+n = next line, ctrl+v = next page

By default, in macOS, this isn't enabled everywhere, but you can do it easily https://forum.keyboardmaestro.com/t/os-x-text-system-keybind...