HELP IM TJMED BY MY TEACHER

What is the central idea of this excerpt?

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?

Is a psychological tool in which a person creates a detailed mental picture of an event. select the choice that best answers the question. a. stereotyping b. imaging c. visualization d. mentoring