Move Tool
The move tool allows you to move a selection or entire layer by dragging it with your mouse or using your keyboard arrows keys.
The move tool is located at the top right of the Photoshop Toolbox.
When the move tool is selected, click and drag anywhere in the image.
By default, if an area is selected the selection will be moved, otherwise the whole layer will be moved.
Marquee Tool
Marquee Tool - The marquee tools are selection tools which allow you to select rectangles, ellipses and 1-pixel rows and columns.The marquee tools are located at the top left of the Photoshop Toolbox. Click and hold your mouse over the marquee tool to see the four options:
Rectangle Marquee
Make a rectangular selection. Hold the shift key down to constrain the selection to a square.
Elliptical Marquee
Make an elliptical selection. Hold the shift key down to constrain the selection to a circle.
Single Row Marquee
Make a horizontal selection 1 pixel high.
Single Column Marquee
Make a vertical selection 1 pixel wide.