1. Generally, a lottery is to randomly select one from many people or things, and the first X is to select the first few from many people or things according to certain rules.
2. The purpose of drawing the grand prize is to get a certain reward or honor for the selected person or thing, while the first X is to determine the ranking or ranking, and different levels of rewards may be given.
The above is the difference between the drawer and the front X, I hope it will help you.