Multiple dimensions in Analytics?

I’m almost certain that I just don’t understand the workings of the Analytics app enough, but anyway, I don’t know currently how to go about this.

What I’m aiming to achieve is to analyze multi-dimensional data along arbitrary dimensions. Let’s say I want to keep track of my Deck cards. The best would be to have this data automatically available as a data source, but I’m fine with importing it manually.

In any case, I’d like to be able to break down the stats by both board, assignee, status, maybe tags, etc. How would I go about this? In the internally stored data source, I only see date, object and value. So, how could I store more attributes to aggregate by? What would be the best way to do this?