At the heart of Christianity is a relationship with Jesus. He really stands at the centre of everything, and you can’t understand Christianity without Him. Essentially Christianity is about being a disciple of Jesus When Christian’s talk about faith, they don’t mean a feeling or a quality that they have in themselves. They are talking about faith in Jesus… a relationship of love, trust, belief and obedience with Him.
The story of Christianity is a big story, with a long history, but here a short version: