In regard to "A Worn Path," what is the point of the story?

""
is essentially a love story, the story of Phoenix Jackson's love for her grandson. The little
boy is never seen in the story, and some critics have suggested that he is no longer living, but
both of these observations do nothing to diminish the power of the narrative. The point of the
story is suggested by its title. Each time Phoenix makes the journey from her home in the
country into town to get the medicine that relieves her grandson's suffering, she follows the
same path. Even when her sight fails, she can follow the path; she has traveled it so many times
it is worn into her memory.

Phoenix is very old and frail, and the
path...