Selection tools

There's lasso tool which selects by you drawing around what you want. There's the polygon lasso tool which you can select things with straight lines and the magnet lasso tool which selects the color of the same type. Then there's the rectangular marque tool which selects what you want in a square shape or rectangular shape.The elliptical marque tool selects things you want in a circle or oval.
Quick selection tool selects things from where you want. The magic wand tool selects things by there color and is decided by the amount of tolerance you use.