Tauheed (Islamic Monotheism) has three aspects:
1. Oneness of the Lordship of Allah- “Tauheed ar-Rububiyya”.
To believe that, there is only one Lord for all the universe, its Creator, Organizer, Planner, Sustainer and Giver of Security etc., and that is Allah.
2. Oneness of the worship of Allah – “Tauheed al-Uluhiyya”.
Tobelieve that none has the right to be worshipped {e.g. by praying, invoking, asking for help (from the unseen), swearing, slaughtering sacrifices, giving charity, Fasting, and Pilgrimage etc.,} but Allah.
3. Oneness of the Names