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 on the line to add
a new point handle,
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.