There are many for each of the nearly 40,000 denominations that call themselves Christian: a building with their name or a Church/Cathedral; outward symbols like a ring or a cross; literature, music.... and for a few, true God-like behavior.
SORRY WRONG RELIGON
Bread
The cross represents what Jesus was killed on.
It represents purification and cleansing
Christianity
Typically, peace. In Christianity it represents the Holy spirit.
The ox represents Luke the Evangelist, author of the book of Luke.
the halo represents a person's holiness, no ordinary person had a halo.
Christianity has spread to many parts of the world. The faith represents approximately one-third of the world's population and is the largest religion in the world.
Allah represents all of the 3 Abrahamic religions. Islam, Judaism, and Christianity.
The dove represents the third part of the Holy Trinity-- the Holy Spirit.
to an Irish person yes because it represents a man who brought Christianity to Ireland and also green represents Ireland