1-Lexicology.1.1-In Fiqh.2-Types.2.1-Optional (Mukhayyara).2.2-Determined (Mu'ayyana).2.3-Ordered (Murattaba).2.4-Optional and Ordered.2.5-Total (Jam').3-Cases.3.1-In Fasting.3.2-Murder.3.3-Breaking a Swear.3.4-Breaking Vows and Promises.3.5-Zihar.3.6-In Hajj and 'Umra.3.7-In Mourning.4-Fidya.5-Other.6-References.