An animated graphic used to show that a computer is loading data or performing some task in the background.
The most general type takes the form of a spinning wheel, usually a series of lines or dots arranged in a circle which light up in sequence. Some OS-specific types include macOS's spinning pinwheel and Windows' blue circle and rotating hourglass.
When applied to a character, it usually indicates:
An imminent realization regarding a mistake they made or something they forgot
An inability to fully grasp something that has just happened
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