Islamic concepts

Farḍ (@frD@) — (clearly) mandatory

Farḍ things are the minimum activities necessary to be a practising Muslim, vital/essential to stay on track.

Religious law says it must be done

Aḥkām أحكام‎ — rules and guidelines

Ḥalāl
allowed
Farḍ
mandatory
Wājib
required
Sunnah
exemplary
Mustaḥabb or Mandub or Nafl (bonus or additional)
recommended
Mubāḥ
neutral
Makrūh Tanzihan
frowned upon
Ḥarām
not allowed
Makrūh Taḥrīman
prohibitively disliked
Ḥarām
forbidden

Examples of Farḍ things