autoCAD (strech)

When ever i use strech command in autoCAD… the line did not strech … it displaced by its position …

first i select the line …
then i use strech command
and select the point

tell me where i did a mistake

The Stretch command in AutoCAD is used to stretch the portion of the object partially enclosed by the polygon selection or window selection.
The objects selected individually or completely enclosed by the window selection cannot be stretched.