many times I hear people saying "windows 2003" or "windows 2007", when what they really mean is office 2003 or office 2007. this is confusing to tech people. Office and Windows have nothing whatsoever to do with each other except that Office runs on Windows.
"Office" anything is an office package. An Office Package comes with a word processor, spreadsheet, presentation, possibly math-writing, draw, and depending on the level you buy, you may get a database, publishing program, accounting, or maybe collaboration tools and . Openoffice.org is a free office package that is Microsoft Office 2003 compatible.
The current Version of Microsoft office that is available is Microsoft Office 2007 and for the Mac, 2008. If I am not mistaken there was Microsoft Office 2.0, 3.0, 4.0, 5.0, 97, XP, 2000, 2003, 2007.
Operating System (OS): Windows
An operating system, or O.S., is the software that makes the computer run. without it the only thing you can do with the computer is set up some of the hardware (CMOS SETUP), which all by its lonesome is pretty useless. Maybe you can use the computer as a clock without an OS, but that's about it.
commonly-used Windows versions in the past have been Windows 3.0, 3.1, 3.11, 95, NT, 98, 98SE, ME, 2000 Pro and Advanced Server, XP in its various forms, Server 2003, Vista in its various forms, Server 2008. Before Windows there was MSDOS and IBMDOS. Before DOS there was CP/M, but that wasn't a Microsoft product. IBM PC DOS 2000 can still be bought today unofficially.