Maslaha is the concept of “public interest” or “the general good” (welfare) that is used as a basis of legal decisions.
Gharamah
Specific Provision
Illah
Ikhtikar
Kharaj al-wazifah
Two-window model
Dhira muqaddar al shar
Dinar shar i
Shura
Dhawu al-fara'id