The “World-to-Come”; the “place” of Reward for the Righteous, where Hashem completes His “payment” to them, “Midah K’neged Midah,” Measure for Measure,” in spiritual terms, a Fundamental Belief and Article of Faith of the Jewish Religion.
Described as where the “Righteous sit with their crowns on their heads, and derive pleasure from the Radiance of the Divine Presence.”
Also described as “The World of Truth.”
And also described by King David as “No eye has seen it, O L-rd, but Yours.”