Is google documents open source and what does open source actually mean?
No. Open source means that the source code is free. This means that people who program and edit software can edit the source code and make certain programs that work with the software. Open source software is also free. Google documents is free but that does not mean it is open source. An open source program similar to Microsoft Office or Google Documents would be Open Office. Look that one up. It is free and open source.