The central purpose of the Book of Mormon is its testament of Jesus Christ. Of more than 6,000 verses in the Book of Mormon, far more than half refer directly to Him.
So, “we talk of Christ, we rejoice in Christ, we preach of Christ, we prophesy of Christ, and we write according to our prophecies, that our children may know to what source they may look for a remission of their sins” (2 Ne. 25:26). (“The Book of Mormon:Another Testament of Jesus Christ—Plain and Precious Things,” Ensign, May 2005.)