What is the difference between literal language and figurative language?

Writers use words for different purposes and meanings, especially poets! Literal language is used to mean exactly what is written and figurative language is used to mean something other than what is written, something symbolic, suggested, or implied.

Explanation:

the symbol of the grandfather's heritage in this excerpt from "the medicine bag,” is the beaded bolo tie.

a bolo tie is a cord fastened around the neck with an ornamental clasp which is worn as a necktie. they have been used by native american tribes such as hopi, navajo, zuni, and puebloans since the mid-20th century.

therefore, the fact that the grandfather is wearing a bolo tie refers to his heritage as native american.

absolutely it most certainly can.