Explain Git File Types

1.tracked files
2.untracked files
3.staged files

1.tracked file
------------
if the file is available in the local repo 
this is called tracked file

2.untracked file
----------------
if the file is available in the working area
this is called untracked file
that means git will not track this file

3.staged file
-------------
if the file is available in the staging area
this is called staged file