I'm new to tmux and trying to understand it's configuration. I've started with looking at some pre-existing .tmux.conf files and whatever documentation I can find but it still leaves me wondering about the flags. I've seen the following so far:
A few examples from the ArchWiki entry on tmux
set -g prefix C-a
set -ga terminal-overrides ",xterm-termite:Tc"
set-option -g xterm-keys on
And one line from a .tmux.conf file
set-window-option -g
What do the flags mean and are there any particular cases when one flag one flag is preferable over another?