“Jesus Christ is the Firstborn, then, in two senses of the word – he is the first spirit child born to God the Father in the premortal world, and he was the first one on this earth to be resurrected, or born from the grave” (Larry E. Dahl, Ensign, April 1997, p. 15). Also see: Only Begotten Son.
Dictionary of "Mormonese"
Stop talking past each other. Gain a better understanding of the words that are unique to Mormonism and the differences of shared terms between Mormonism and Christianity.