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-waqf al-‘amm
Al-bai‘ al-mabrur
Al-bai‘ al-mawquf
Al-bai‘ al-mutlaq
Al-bai‘ al-nafidh
Al-bai‘ al-najiz
Al-kis al-wahid
Al-ma'adin al-batin
Al-baqarah al-muthirah
’ahadith al-mu‘amalah