What does it mean version of the software?

You say to this version, 8.0 is what 10.0

What do you say that you do not update the 8.0 upgrade on the 10.0 it, and why there are versions of the minutes? Thank you

upgrade is the updated patch to upgrade to play only in the database plus some data only.The practice is a different version of the software code and the interface is different, there will be different functions, Strictly speaking, the same can not be regarded as a software update is not just there to enhance the function modules, and so on ……in order to drive their points is not the same as