I like this search. https://www.google.com/#q=disk+space+on+mac+os+x
What shows in the About box?
http://www.macworld.com/article/2972775/os-x/how-to-check-your-macs-free-hard-drive-space.html
Need to dig deeper? Get an app for that.
http://www.derlien.com/
I have an old imac from 2007 or 2008. I came with 500 GB on HD. File info says I have 93 GB and that I have used 78 GB. What happened to the other 400 GB that came with the machine . How can I find them?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic