So, what does this mean and why is 64 bit better? Let me see if I can give an analogy that will help. It won’t be exactly technically correct, but if you are reading this I’m guessing you’d like some useful information not a cure for insomnia.
Oh, and I don't really know how many actions happen when you run a spell check and you don't have to call your computer Ronald. In fact, I've been known to use other, much more umm, colorful words when Ronald misbehaves.