Ang ClockworkMod Recovery (CWM) at TWRP (by TeamWin) ay mga uri po ng custom recovery (a menu from which the operating system is booted,but can also be used to boot a separate operating system than the stock operating system or install programs while bypassing the operating system. dyan po pwede nyo i-flash ang Magisk or SuperSU na sya naman pong pang root
Edit: (Additional) yung CWM po eh hindi na po well maintained unlike TWRP na halos lahat ng android device eh meron (depende po kung may maintainer ng device na yun)
Kapag meron na po kayo nyan maari na po kayong makapg flash ng custom Rom at makapaf flash ng SuperSU or Magisk na syang mag ro=root ng device nyo