According to Islamic jurisprudence, what is the primary source of Shariah Law?

According to Islamic jurisprudence, what is the primary source of Shariah Law?

اسلامی فقہ کے مطابق شریعت کا بنیادی ماخذ کیا ہے؟
Explanation

In Islamic jurisprudence, the primary source of Shariah Law is the Quran.

It is considered the word of God as revealed to the Prophet Muhammad (SAW).

The Quran is the foundation of Islamic law.

It is considered the ultimate authority in all matters of faith and practice.