Photoshop Marquee Tools (M) Rectangular Marquee Tool,Elliptical Marquree Tool,Single Row Marquee,Single Column Marquee

Marquee Tools
It's shortcut key is (M or m)
This Tool is used to cut and copy the image in Certain Shape like Square ,Rectangular ,circle, lines ,etc.
Only  Regular shapes but not irregular shapes .
It can also used to select some are with in the part it selected .
Rectangular Marquee Tool had Three more shapes, 

These are:

1.Rectangular Marquee Tool

2.Elliptical Marquree Tool,

3.Single Row Marquee

4.Single Column Marquee

Details

1.Rectangular Marquee Tool
This Tools use as Square ,Rectangle and Lines Too.
These all M Tools (Marquree Tool) can use for Cutting Coping .
These all Tools have a Shape .

2.Elliptical Marquree Tool

This tool has Circular Shape , semi circles,

Shortcut is M

It can apply by clicking Right button Mouse on Marquree Tool,

3.Single Row Marquee

 This Tool has a single line shape

Shortcut is M

It can apply by clicking Right button Mouse on Marquree Tool,
It is an Horizontal line

4.Single Column Marquee

This Tool has a single line shape

Shortcut is M

It can apply by clicking Right button Mouse on Marquee Tool,
It is an Vertical line

Final :
These all tools are Activated by M Shortcut they have a regular shape and these are for cutting Coping and selecting .
Other shapes will display by right mouse button press ed by the M tool