Well, as somebody previously pointed out, it means a variety of things in a variety of circumstances. *wink*
Top_gun may be on to something with the numbering stuff.
Though, given the ending, can see grounds for the processing nomenclature too. Without being too much of a spoiler, let's just say that times weren't always so good for Big-O.
Would also toss out that "O," i.e. Omega, could also be considered the "end" as in Alpha-Omega. Further, one could tie in a religous aspect; i.e. **beast** being the alpha and the omega.
Union ... Union ... Uber Alles.