To select a rule so that you can carry out operations on it, click on any empty space within it. The rule will become highlighted, with its border turning to a bold red. If the rule selected defined a state transition (that is, not continue) the corresponding transition will be highlighted in the Event Flow panel.

You can select multiple rules by holding down the Shift key while clicking on the rules to select.

To select a rule element, left-click it. To select multiple, contiguous rule elements, move the cursor over one of the elements, hold down the left mouse button, and drag the cursor over the other elements.

To select a rule element and display a popup selection menu for that element's position, right-click the element. This version of the selection menu also has the Cut/Copy/Paste options at the bottom. To display a more narrow selection menu for an element, hold down the Shift key and right-click the element. To select multiple, contiguous, rule elements and display a selection menu, move the cursor over one of the elements, hold down the right mouse button, and drag the cursor over the other elements.