The term "version bit" refers to a small piece of information that indicates the version or edition of something. It helps distinguish different versions or variations of a particular thing or concept. Full definition
This signaling is done by setting the soft fork's relevant version bit in a (wirexapp.com)
Happily, this is a rather low - cal recipe to begin with, but I chose to lighten the Sunset version a bit more by baking the tortilla strips. (worththewhisk.com)
The earlier release window was around late 2011, but Google may have been prodded to bring along the next Android version a bit early in view of Apple's expected launch of its next gen iPhone 5 during the same time. (goodereader.com)