While there is something simple about this focus on Jesus as the central figure, there is also something very complicated.
That complexity is revealed by the thousands of separate churches, sects, and denominations that make up the modern Christian tradition.
It has consistently rejected polytheism and atheism.
A second element of the faith tradition of Christianity, with rare exceptions, is a plan of salvation or redemption.
Essence refers to those qualities that give something its identity and are at the centre of what makes that thing different from everything else.
Geographically the most widely diffused of all faiths, it has a constituency of more than 2 billion believers.
As with other religious people, they became involved in a search for truth.
God, in the very nature of things, was necessarily the final Truth.
Although their faith tradition is historical—i.e., they believe that transactions with the divine do not occur in the realm of timeless ideas but among ordinary humans through the ages—the vast majority of Christians focus their faith in Jesus Christ as someone who is also a present reality.
They may include many other references in their tradition and thus may speak of “God” and “human nature” or of “church” and “world,” but they would not be called Christian if they did not bring their attentions first and last to Jesus Christ.