Why we use Clipping path to remove background?

Do you know about the clipping path?
Why we use Clipping path to remove background? If any one know the best answer for the question, please let me know.

Thanks,
Saiful

 

I think it is probably about non-destuctive editing.

You can find info on it here: http://techiesrealm.com/blog/2008/05/photoshop-non-destructive-techniques/

 

you can find the better service and price here

http://www.slideshare.net/cluztertechnologies/photo-editing-service-4hr

 

A clipping path is vector and can easily be adjusted separately from the image . A mask is raster, and is not scaled as cleanly as vector