These clear wordings (Alfaazh) are divided into four categories in accordance to their different levels of clarity. The strength of the Dalaalah (indication) corresponds to them as follows:

1 – Azh-Zhaahir: This is the least clear.

2 – An-Nass: This is regarded to be clearer than the Zhaahir.

3 – Al-Mufassar: It is clearer than the Nass.

4 - Al-Muhkam: It is clearer than the previous aforementioned types.