* Visualize the word: Imagine the word "BALL" written out.
* Think of ways to represent "BALL" visually: A common way to represent "ball" is with a circle.
* Combine the visual and the word: You could draw a circle, and then write "BALL" next to it.
The solution:
The rebus puzzle "BALL" is likely represented by a circle with the word "BALL" written next to it.