Selection Tool
Select an area
Selection
Use the left mouse button - click at the starting point, drag the mouse, and release the mouse button at the end point. The rectangle area will be selected and dotted line will be there.
Move/Copy
1. Left-button click inside the selection, and drag it to move the selection
2. Left-button click inside the selection, and drag it while pushing a control key to copy the selection
3. Click outside the selection to unselect the selection
4. If there is a selection, you can use "Format" tools from the menu bar.
5. If there is a selection, you can use Cut/Copy/Past menu item in "Edit" from the menu bar.
Popup Menu for Editing
Right-click inside the selection to display a pop-up menu to do some operations.