diffrences between of valid value for position properties

[oranoos3000]

hi
would you please help me?
i read a refrence for html that was explained about position properties
and said that valid value is statc,fixed,abs olut,relative
but unfortunately i dont understand between values for this properties.

thanks alot for your help

[harrierdh]

http://www.barelyfitz.com/screencast/html-training/css/positioning/