When I was six years old my friend was auditioning for 'Annie ' and I decided I wanted to audition with her. My mom was worried I would fall flat on my face because I'd never opened my mouth to sing so she sent me to vocal lessons. I did the audition and fell in love with the entire process of a show.
We often attribute 'understanding' and other cognitive predicates by metaphor and analogy to cars adding machines and other artifacts but nothing is proved by such attributions.