Answer:
The metaphor "turnin' corners" in this section is used to convey a sense of progress and advancement in the speaker's life. The metaphor suggests that the speaker has been making progress, overcoming obstacles and reaching new levels of understanding or achievement. The use of the word "corners" implies that there have been challenges or obstacles to overcome, but also suggests that the speaker has been able to navigate them successfully.
The metaphor contributes to the tone of the section by creating a sense of optimism and hope. It suggests that the speaker is resilient and determined, and is able to persevere despite facing adversity. The use of the metaphor also adds depth to the meaning of the section, by emphasizing the importance of perseverance and determination in the face of challenges. Overall, the metaphor "turnin' corners" contributes to the positive and uplifting tone of the section, while also adding depth and nuance to its meaning.