Menu: Diagram→Draw Path
Shortcut: F5
Press this button to draw single-headed arrows from one variable to another. Point to one variable and press the left mouse button. While continuing to hold the mouse button down, point to a second variable. Then release the button. This will cause an arrow to be drawn from the first variable to the second.
After you have drawn a single-headed arrow, you can move one end at a time with .
See also: