Some countries place restrictions on who can register domains with its country TLD — though this is becoming less and less common as countries realize the revenue opportunities from selling domains worldwide. This means that while a network-level tracker can accept data for any of the lower steps in the hierarchy, an adgroup-level tracker would only accept data for the creative level. Tagging your emails like this will give insight into how your emails compare to other types of marketing, how specific messages work across all mediums, which types of links work best in your emails, etc.
A good baseline is to expect at least a few dozen users on any given tracker. Replace: Consider using letters or numbers in place of words. Determines unique and non-unique click distribution. Example: South Park Studios uses cart.mn to recreate, in a shortened form, the name of one of its most well known characters.
By clicking on the toolbar button, a TinyURL will be created for the page you are currently at. See if you are using Classic Analytics (ga.js) or Universal Analytics (analytics.js).