 Shape Editor Tool - Mode Indicator
Shape Editor Tool - Mode Indicator

This indicator on the Shape Editor Tool Infobar shows the current state of the tool. It shows:
New:
No point handles are selected, click to start a new line or shape.
Add:
An end point handle is selected.
 Click away from the line 
 to extend the line,
 Click away from the line 
 to extend the line, 
 Click on the line to add 
 a new point handle,
 Click on the line to add 
 a new point handle,
 Click on the other end point 
 handle to close the shape.
 Click on the other end point 
 handle to close the shape.
Change:
An intermediate point handle or several point handles are selected. Click away from the line to start a new line or click on the line to add a new point handle.