What kind of tool Photoshop is, and is photo shop essential for Graphic designer?

Photoshop is all-in-one tool. It's ideal for photographers (photo editing and special effects), web designers (ui elements), graphic designers and sometimes for multimedia tasks also. It's layer styles, smart-objects and shape layers are helping out graphic designers along with its added and developing3D experience.

Photoshop is a one of a graphic design tool. It is used to enhance, edit, merge pictures. It is also used for animation and3d effects. Yes, it is essential for graphic designer.

i think it is the pin tool

photoshop is a photo enhancing tool, it can draw/paint, modify, delete/merge elements or images together, add effects and non existing scenes or backgrounds and remove defects from any kind of image. so it's essential for any graphic designer.