To edit other stitches, use the following methods:
Left click the particular stitch. To select additional stitches, use "Shift" key.
Drag the area and select all stitches inside the box.
[A] Left-click to select the shape. If selected, the shape will have black boxes on both end.
Hover the mouse, and the mouse cursor changes the shape like this:
Then, you can drag it to change the shape.
If you hover the mouse on the line, the mouse cursor changes the shape like this:
Then, you can drag the shape to move them.
Use "Ctrl" key to copy them.
If there are any selected shapes, you can use Cut/Copy/Paste from the menu.
B. SHIFT+Button click to select additional shapes
Deleting other stitches
Once you select the other stitches, you can use "Delete" key to delete those.
Drag an area to select all the shapes inside