<span>Dragging or sizing affects only a "Selected Object." For example, an image, you need to click the image in order for you to select that image. The image is considered as an object. From the time you click on the picture, there are points visible where you can click and drag upon it nor resize.</span>
Answer:
an actuator is a device that uses a form of power to convert a control signal into mechanical motion
OR! Because one OR the other (or both, as this is not an exclusive or) needs to be present in the search result.