Overlapped representation of picture elements

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To display overlapping picture elements, the sequence of display (in the foreground, forward, backward, in the background) can be determined. The top element (CTRL + + -> shift upwards; CTRL + - -> shift downwards) covers all subordinate elements.

Example Example

Press 'Ins' key.

Edit, In the background or CTRL key and '+' key

Edit, In the background or CTRL key and '-' key

Edit, Forward or '+' key

Edit, Backward or '-' key