What does an American's request to a designer mean - "Can you send me your motivation"?

Question

Freelance

Before starting the interview, the recruiter asked me to send Motivation and Portfolio. I can’t understand what exactly he wants to read from me under Motivation.

Answer 1

google motivation letter

Answer 2

This is a motivation letter. They do not hire a piece of meat.

Answer 3

He asks about your motives.
Why, why, why are you better than others, what do you want to achieve ... * (if for work, then in a year, three, five)