Answer:
Elevator pitch (also known as an elevator speech) is a short, persuasive speech you use to introduce yourself, your product, or your company. Its purpose is to explain the concept quickly and clearly to spark interest in who you are and what you do. An elevator pitch should be 30-seconds long at maximum: short enough to get your message across anytime and anywhere—even during a quick elevator ride (hence the name).
Explanation:
Hope this helps :)
You can read more aobut it from the source I used: https://zety.com/blog/elevator-pitch