Obligatory prayers.
Useful information: The following six prayers are obligatory: (i) Daily prayers. (ii) Signs prayers. (iii) Prayers for a dead body. (iv) Prayers for the obligatory Tawaf of the holy Ka'bah. (v) Lapsed prayers of father which are obligatory upon his eldest son. (vi) Prayers which become obligatory on account of hire, vow or oath.