Right
Imagine you have a big desk and you're working on 20 jigsaw puzzles (it's a very big desk). Over time, bits of each jigsaw get moved around the desk, and it all gets rather cluttered, so it takes longer to identify what set each little piece belongs too.

Defragging would be doing a spring clean of the desk, sorting out all the pieces so that you have them all with their respective puzzle sets, so working on one puzzle means you don't have to constantly hunt around the whole desk looking for pieces.
( Labia Majora You keep on talking but it makes no sense at all, Mon 28 Feb 2011, 13:23, 3 replies, latest was 15 years ago)

Like he says^

( sporters I’m sincerely gratitude to you, Mon 28 Feb 2011, 13:24, Reply)

Ooo! well explained.
Thank you too.
( girlinthehole, Mon 28 Feb 2011, 13:26, Reply)

You're welcome
Glad it made sense!
( Labia Majora You keep on talking but it makes no sense at all, Mon 28 Feb 2011, 13:28, Reply)

I thought it meant deleting all the images of Fraggles from your 'pictures' file.

( Monty Boyce, My cheese game is strong, Mon 28 Feb 2011, 13:30, Reply)

saucy saucy muppets

( The Light in Chains don't touch the Pope's boner, Mon 28 Feb 2011, 13:31, Reply)

In that case, you'll be glad to know you're not the only one with a Doozer fetish
Lol, jk, you are. You sick fuck.
( Labia Majora You keep on talking but it makes no sense at all, Mon 28 Feb 2011, 13:32, Reply)