Tahārah means purification from Hadath (ritual impurity) and removal of Khabath (material impurity), i.e., removal of whatever prevents prayer.
The Prophet said: "Purification is the key to prayer." [Narrated by Abu Dāwūd].
• Purification from Khabath: removing material impurity from body, clothes, or place of prayer.
• Purification from Hadath: performing Wudu or Ghusl with pure water, or Tayammum if water is unavailable.

By washing it with water until clean. As for what is licked by a dog, it must be washed seven times, the first with dust. [Narrated by Muslim].

The Prophet said: "If a Muslim performs ablution - when he washes his face, hands, and feet, every sin committed by them is washed away with water... until he comes out pure of all sins." [Narrated by Muslim].

1. Washing hands 3 times.
2. Madmadah (rinsing mouth), Istinshāq (sniffing water into nose), and Istinthār (blowing out) 3 times.
3. Washing face 3 times.
4. Washing arms including elbows 3 times.
5. Wiping head forwards and backwards, and wiping ears.
6. Washing feet up to ankles 3 times.

They are six obligatory acts:
1. Washing face (including mouth and nose).
2. Washing arms including elbows.
3. Wiping head (including ears).
4. Washing feet up to ankles.
5. Prescribed order.
6. Succession without delay.

1. Saying Bismillāh. 2. Using Siwāk. 3. Washing palms. 4. Washing between fingers. 5. Washing 2nd and 3rd time. 6. Starting with right side. 7. Saying Dhikr after Wudu. 8. Praying two Rak‘ahs after Wudu.

1. Whatever exits from the two private parts (urine, feces, wind).
2. Sleep, insanity, or unconsciousness.
3. Eating camel meat.
4. Touching private parts without a barrier.

Using clean dust or earth when water is unavailable or cannot be used due to illness.

By striking clean dust once with palms, blowing off dust, and wiping face and back of hands once only. [Narrated by Al-Bukhāri and Muslim].

All invalidators of ablution, and when water becomes available.