Class 2 (basic) how to use of toolbar and command

Hello dosto aaj mai aap logo ke liye lekar aaya hun how to use of toolbar and commands ,
Dosto mai apne iske pahle post me bataya tha ki how to change size of plane and tree in catia v5.

What is toolbar. ..?
    Toolbar is defined as  a collection of many tools is called toolbar.
Type :
1:sketch toolbar 
2:profile toolbar 
3:constraint toolbar 
4:exit workbench toolbar 
5:sketch based features toolbar 
       ......Etc

Sketch toolbar :
                              Sketch toolbar is a mainly use of making a sketch and also used jump to from 3D to 2D workbench.

Profile toolbar :
                          Profile toolbar is a collection of many profile which is help to making sketch. These are following types :

1-profile - profile tool are combination of line and curve.
2-rectangle -rectangle tool are used to making rectangular shape.
3-circle -circle tool is used to making circular shape
          ...etc

Constraint toolbar :
                                    Constraint toolbar is used to giving dimensions of sketch.


Exit workbench toolbar :
                                              Exit toolbar used to jump from 2D workbench to 3D workbench.

Sketch based features toolbar :  
                                                       Sketch based features toolbar is used to filling the material  in sketch. These are following types :
1-Pad: filling in straight direction
2-Poket: remove the material in straight direction
3-shaft: filling in rotational direction.
4-rib : filling with centre curve