Judaism

monotheism

patriarchs
   Abraham
   Isaac
   Ishmael
   Jacob

David

Solomon

Herod

Christianity

parable

Constantine
   Edict of Milan

Neoplatonism

Augustine
   City of God
   original sin

Byzantine

basilica

Justinian
   Hagia Sophia

Ravenna

performing arts

chants (non-instrumental)
   Ambrosian
   Gregorian

Islam

Muhammad

Allah

Mecca

Medina

5 Pillars