Jesus was a carpenter like his earthly father but most of his friends and many followers were fisherman - the fishing boat is a symbol of his followers, there is a cross on the top of the mast and the x/p are the first letters of Christ's name in Greek. The Latin Cross reminds Christians that Jesus died on the cross to save them. This is the main Christian symbol. There are many different types of crosses. A symbol of the holy spirit and peace. The dove appeared at Jesus' baptism. The first letters of Christ in Greek. The Chi Rho is one of the earliest cruciform symbols used by Christians. It is formed by superimposing the first two letters of the word "Christ" in Greek, chi = ch and rho = r. Alpha and omega - the beginning and the end of the Greek alphabet demonstrates that God is first, and last - eternal! The symbol of the fish - The fish symbol was created using the Greek letters which spell out ICTHUS : Jesus Christ, God's Son, Saviour. ICTHUS also means fish - so the fish symbol was used when the early church was being persecuted. This was a secret sign scratched on the walls of buildings or drawn on the floor in the sand, to tell people where a Christian meeting was being held. It is still frequently used today. The Good Shepherd: Some of the earliest depictions of Christ show Him as the Good Shepherd. This type of representation is found in the Catacombs. Rainbow: Sign of the Covenant with Noah Byzantine Cross: used mostly by the Eastern Catholic and Eastern Orthodox Churches. The second cross-bar at top is for the INRI inscription; the bottom cross-bar is His footrest. Slavonic Cross: used most often by Eastern Catholics and Russian Orthodox, this Cross is the Byzantine Cross with the footrest at a diagonal. This slant is said to represent one of a few things: the footrest wrenched loose from the Christ's writhing in intense physical suffering; lower side representing "down," the fate of sinners, while the elevated side represents Heaven. Greek Cross: a very common artistic representation of the Cross. Crosses such as this one and the Tau were also popular because they were easily disguised, an important feature for persecuted Christians Celtic Cross: stone crosses in this form dot the landscapes of Ireland and Scotland and are associated with the evangelization of these lands. The Tau cross is so named from the Hebrew alphabet's last letter 'X', which was pronounced 'Taw'. This same sound transliterates to the Greek letter 'T'. Lamb of God (Latin: Agnus Dei) is one of the titles given to Jesus in the New Testament and consequently in the Christian tradition. It refers to Jesus' role as a sacrificial lamb atoning for the sins of man in Christian theology, harkening back to ancient Jewish Temple sacrifices in which a lamb was slain during the passover, the blood was sprinkled along the door, and the whole of the lamb was eaten INRI is an acronym of the Latin phrase IESVS·NAZARENVS·REX·IVDÆO RVM, which translates to English as: "Jesus the Nazarene, King of the Jews". It appears in the New Testament of the Christian Bible in the Gospel of John (19:19). Each of the other accounts for Jesus's death have a slightly different sign: Matthew (27:37) "This is Jesus the King of the Jews"; Mark (15:26) "The King of the Jews"; and Luke (KJV) "This is the King of the Jews". The title was written in Hebrew and Greek and Latin. In Christianity the candle is commonly used in worship both for decoration and ambiance, and as a symbol that represent the light of God or, specifically, the light of Christ. The altar candle is often placed on the altar, usually in pairs. Candles are also carried in processions, especially to either side of the processional cross.