FIQH: (Understanding) this is to have understanding of Islâmic Jurisprudence and to have understanding of its prescribed rules and principles and the application of its laws according to the Legislation of the Qur'aan and the Sunnah of the Messenger of Allah. As the Messenger of Allâah said:

"Whoever Allah wishes good for, He gives him understanding (Fiqh) of the Religion."

[Collected By Al-Bukhari]