Back in March 2014, Chris Lake has created a very useful content marketing periodic table to summarize all possible aspects of online content.
I find it helpful to use it so I fill like bringing it back for another digital viral spin.
The table summarizes strategy, platform, metrics, goals, sharing triggers and checklist.
Very useful to printout and hang on the wall of your office / house.
And here is the Content Marketing Periodic Table by Chris Lake:
Pick up more info here.