What is the meaning of quietness and value the description applied to both in the story the gift of Magi of O Henry?

In "The Gift of the Magi" by O. Henry, the quietness represents tranquility and peace, reflecting the inner state of the characters. The value described in the story refers to the sacrificial love and selflessness shown by DELLa and Jim, as they each gave up their most prized possession to show their love for each other.