Stage and role
Stage：Scratch can be considered as a kind of on-campus drama, where the audience watched the drama.
Role：Can be considered as an actor or character in the play, the background is the stage background, they are on the stage together.
The following is an explanation of some nouns:
- Background: This is the background of the stage. There is only one background in the stage. It can be changed, and you can design it yourself.
- Role: A character can be considered as an actor or a character. There can be multiple characters on the stage, and you can design your own character image.
- Green Banner: When the flag is clicked, all the modules under "When the green flag is clicked" are activated.
- Stop signal: Stops all running programs when clicked.
Role and background ：In this area you can select, edit and create characters and backgrounds. Click on it to choose a character or background.
Sound：
Modeling ：When the current character is selected, jump to the modeling panel. You can design shapes for the currently selected character in this area. Styling is a different image/appearance of a character. You can use the Modeling to create character animations or change your character image.
