Hold Space and drag to pan.

Thought: click on a blank spot.

Group: Hold shift and drag.

Doodle: Press D, draw, press D again.

Connection: Hold Ctrl, drag from one to another.

Click text to edit.

Clear text to delete.

Resize groups.

Drag elements to move.

Click doodle to edit.

* Bold

Middle button to erase.

_ Italic

Press D to save.

URL to images

Press Delete to delete.

URL to websites