Answer:
Taijutsu- Hand-to-hand combat. No chakra involved.
Ninjutsu- You can see, touch, and feel ninjutsu it is physical and you can harm with it just like taijutsu but using chakra.
Genjutsu- Illusions for the mind. Forcing people to see/think/feel something that isn't actually happening. Sometimes in the form of optical illusions, sometimes it renders them completely unconscious. This also uses chakra.
Step-by-step explanation: