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First, a part of the selection in the image has to must be performedselected. Any word, area, or sequence in the image scan can be selected in rectangular (default) or polygonal mode. In rectangular mode, clicking the image at one corner of the area to select suffices to will draw the rectangular selection by keeping if the left mouse button is pressed. In polygonal mode, a shape can be drawn by clicking and dragging. Releasing the left mouse button determines places the next corner of the polygon which can be completed by double clicking. A shape which is not yet linked to a text is displayed with a dashed frame.