A small arrow in the bottom right corner of a fly-out menu, the Rectangular Marquee shows you how to reset in the toolbar. There are tools for making tools, followed by Photoshop's many and there are many more.
To draw an oval selection with the Elliptical Marquee Tool, simply click at the point where you want to begin the selection, then hold your mouse button down and drag in the direction you need until you have the object or area surrounded by the selection outline. To remove the selection outline since I no longer need it, I'll click anywhere inside the document window with the Elliptical Marquee Tool. How to Use the Move Tool in Photoshop.
