: Struggling with fading memory; her relationship with Walter Prime (appearing as he did in his youth) allows her to relive her history.

: In a "superb and very cinematic" conclusion, the stage often utilizes a turntable to show a family that is "whole again"—but composed entirely of Primes, raising questions about a post-human future where machines continue to repeat human stories forever. Production and Legacy

: A central concept in the play is that human memory is not a fixed record but a "sedimentary layer" that changes each time it is accessed. Primes are fed stories by the living, which means they often reflect a "curated" or sanitized version of the past rather than the truth.

: The "accommodating" son-in-law who believes in the therapeutic value of the Primes to maintain a sense of "connectedness".