Key points from this section:

• Degrees of Glory: The revelation describes three degrees of glory in the afterlife: the Celestial, Terrestrial, and Telestial kingdoms, each with different levels of glory and reward.
• Resurrection and Judgment: It emphasizes that all individuals will be resurrected and judged according to their works, with the righteous receiving greater glory.
• Sons of Perdition: The vision also addresses the fate of the sons of perdition, who will suffer eternal damnation for their rebellion against God."

Read this chapter for free at https://byustudies.byu.edu/online-book/doctrine-and-covenants-contexts/section-76.