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- Sprites are touch-sensitive shapes that you can program to move around on a
Canvas.
- The Clock component can be used as a time to
make events that happen at regular intervals.
- Procedures are defined using to blocks.
- For each procedure you define, App Inventor automatically creates an associated
call block and places it in the My Definitions
drawer.
- calling random-fraction produces a number
between 0 and 1
- text blocks specify literal text, similar to the way that number blocks specify
literal numbers
- typeblocking is a way to create blocks quickly, by typing a block's name
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