The scissor icon indicates "Cut", the next icon indicates "Copy" and the third "Paste".
To cut and paste:
- Select the image or text that would like to cut.
- Select the scissor icon on the top panel.
- Navigate to and select the page where you would like to paste.
- Select the paste button.
To copy and paste:
- Select the image or text that you would like to copy.
- Select the copy icon on the top panel.
- Navigate to and select the page where you would like to paste.
- Select the paste button.
For more how to's, you may find these articles helpful: