This part covers the hadith itself as well as some background information, including the definition of the word "sunnah" according to the sciences of fiqh, usul al-fiqh and hadith as well as the definitions of basic legal terms.
Terminological Differences Between the Sciences of Fiqh and Uṣūl al-Fiqh
Moon Sighting: The Evidence from Ṣaḥīḥ Muslim with commentary by Sheikh al-Islam Yaḥyā An-Nawawī
Introducing Shāfiʿī Fiqh (part 1)
What does 'faith' mean in the Revealed Law?
The merit of La ilāha illa Allah