Indulgence in luxuries, a mode of behaviour discouraged by Islam.
General Musharakah Certificate
Bai al-thunya
Shirkah al-milk
Al-harth
Al-misahah
Qadah
Bai al-bithaman ajil
Bai‘ al-salam
Bai‘ al-dain bil dain
Ijarah wa-iqtina