What is the author's purpose in these frames?

Read the excerpt and answer the question. then i lost my head entirely, mad with the power of exciting such what type of figurative language is used in the excerpt? idiom hyperbole metaphor alliteration

Read this excerpt from leah missbach day's foreword to wheels of change.bicycles have long played a role in my life. as a young woman, i rode one year-round before i had a car. but it was later in adulthood that the bicycle became more than a source of transportation for me. the bicycle actually began to truly shape the way i saw the world.what is the author's purpose for including this in the foreword?

Which is easier to identify direct or indirect characterization? why