What is the magic wand used for in Photoshop?

Answer 1

Found in the left side menu normally at the top the wand when selected and clicked on a picture or layer will highlight all the same colour as youve clicked on. However, where there is no liknk to the colour ie. in a try where you can see the white of the sky it will only select where white is touching white (or the colour you want to select)

Answer 2

The Magic Wand Tool can be used to select pixels of an image that are similar in color and brightmess and adjacent to each other. The tolerance threshold adusts how sensitive it is to differences in color and brightness.

Answer 3

It allows the used to select large areas of the same colour for instance in one click