Transitions can be bendable lines or straight lines. By default, transitions are bendable. To create straight line transitions, activate orthogonal drawing. You can also move where the transition attaches to a state element.
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       To  | 
    
       Do this  | 
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       Bend  | 
    
       Click the transition. The transition is highlighted in purple. Drag the transition to bend it. You can bend transitions only when orthogonal drawing is not activated.  | 
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       Move  | 
    
       Click the transition. The transition is highlighted in purple. Drag to where you want the transition to connect to the state element.  |