A contract of sale that is lawful in its substance and description. The substance of an agreement refers to proposal, acceptance and the article of sale (mabi‘).
Al-ta‘awun
Al-musadarah
Al-‘afaf
Al-habbah
Al-’ard al-mahmiyah
Al-‘ata’
Al-ajir al-khas
Al-ghunm bi al-ghurm
Al-bai‘ al-qat‘i
Al-khultah