The name of Muhammad(sa), the Holy Prophet of Islam, has been followed by the symbol sa, which is an abbreviation for the salutation Sallallahu ‘Alaihi Wasallam (may peace and blessings of Allah be upon him).
The names of other Prophets and Messengers are followed by the symbol as, an abbreviation for Alaihissalam (on whom be peace).
The actual salutations have not generally been set out in full, but they should nevertheless, be understood as being repeated in full in each case.
The symbol ra is used with the name of the Companions of the Holy Prophet(sa) and those of the Promised Messiah(as). It stands for RadiAllahu ‘anhu/‘anh−a/‘anhum (May Allah be pleased with him/with her/with them).
The symbol rh stands for Rahimahullahu Ta’ala (may Allah's blessings be on him).
The symbol aba stands for Ayyadahullahu Ta’ala bi nasrihil ‘aziz (May Allah support him with His Mighty help).
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