Moving The End Points Of A Line I

How to move the end points of a line:
In the tool bar click on the "Sub-selection Tool" icon.
Position the cursor over the line you want to edit then press the left mouse button to select the line.
Move the cursor over one of the end points of the line.
Then press and hold the left mouse button then drag the cursor to reposition the end point.
Release the mouse button to place the end point at the new position.

Click Here For Tutorial