- Click the Expression tool   . .
- Drag the handle to move the marking. As you drag horizontally, the attachment indicator line jumps beats or measures to show the current attachment.
- Hold down OPTION and drag the handle to move the marking without changing the attachment point.
- Select 
 it and press DELETE to remove it. Once the handle is selected, 
 you can also use the arrow keys to “nudge” the marking for fine positioning. Alternatively, CONTROL+click the expression and choose Delete.
   
See also Align/Move 
 Dynamics Plug-in and To adjust the vertical positioning of expressions