There are many types of selections tools.
We are going to use a few today to make different types of selections.
By learning these, we are able to make strong PS images in the future by being able to choose which selection tool works best.
Command D to deselect
Command T to transform a selection
Add selection [hold down shift and click to add to selection]
Subtract selection [hold down option and click to subtract from selection]
Right Bracket ] to make selection tool larger
Left Bracket [ to make selection tool smaller
Command J to copy+paste selection on a new layer