Importance

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Abstract

Methods, devices, and storage media for performing annotations using an interactive white board are disclosed. An example method includes displaying a first interface on a touch sensitive display screen of the interactive white board; receiving a first movement operation of a first or second touch object on the first interface; adding a first annotation layer, and adding handwriting or erasing handwriting on the first annotation layer; receiving second movement operation of the first or second touch object; adding handwriting or erasing corresponding handwriting on the first annotation layer based on the second movement operation; receiving first clicking operation of a third touch object on the first annotation layer; and updating a display content of the first interface based on a target clicked by the first clicking operation.

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First Claim