In case you were wondering how to count the ways, or more specifically conversions, check out the options from Google. Thanks to Dave for this contribution:
 Can I track more than one kind of conversions?
Yes. You can create up to 30 different kinds of actions to track, each with a unique name.
You can also track different kinds [...]

Since AdWords is a clicks-driven product, we record a user who clicks on your ad and visits your conversion page as a new conversion. If the user later visits your conversion page multiple times within a 30-day period without having clicked on your ad, these visits are seen as multiple ‘transactions.’ 
For example, an additional conversion [...]