Selection tools

Tool	How it works
Move	Click and drag to move or resize objects in layer.
Rectangular Marquee	Drag-select rectangular area of a layer.
Eliptical Marquee	Drag-select eliptical area of a layer.
Single Column Marquee	Click to select a one pixel column.
Single Row Marquee	Click to select a one pixel row.
Lasso	Click and drag to create self-closing selection area.
Polygonal Lasso	Click to create points that form selection area.
Magnetic Lasso	Click to create points along an area within an image. Detects separate areas in image while creating selection.
Quick Selection	Clicking an area in image will will select all similar neighboring areas.
Magic Wand	Click to select all neighboring pixels of the same color.