What is the meaning of the ending of the book "Beloved"?

Beloved concludes with a group of women from the local community converging on 124 to ward off the ghost that has been haunting it. ... By saying that Beloved was her “best thing,” Sethe devalues herself and suggests that her only worth comes through her role as a mother.

she is later raised by him and his wife, madame valmonde, who sees her as gift from god, as the couple cannot have their own children. later, desiree falls in love with a wealthy man, armand aubigny, and they get married.

the characters in string all have major secrets that they strive to avoid revealing throughout the play.