Perfect present tense indicates that something happened at some point in the past or began in the past and is continuing into the present time. The woman saved $60 in the past and is still saving $60 now by taking the bus. The perfect present tense is created using the /to have/ form + past tense form of the main verb. "Saves" is written in present tense. "was saving" and "saved" are both past tense forms.
The theme of the poem "Sympathy" is racism, and the imprisoning effect it has on the soul. In the poem, the poet Paul Lawrence Dunbar compares himself to a caged bird.