SYMBOLISM
Letters and Monograms
CHI RHO / LABARIUM - A common Christian symbol representing the first two letters of Christ's name.
A and W - Alpha and Omega, the first and last letters of the Greek alphabet symbolize God the Father and the Son (the beginning and the end). Often used in conjunction with a cross or crown.
IHS / IHC - These letters are the first three letters in the Greek name of Jesus.
INRI - The first four letters of the Latin words "Jesus Nazarenus Rex Judaeorum" (Jesus, of Nazareth, King of the Jews).