’ve had Paula Rizzo’s book, Listful Thinking: Using Lists to be More Productive, Highly Successful and Less Stressed, on my to-read list (see what I did there?)

The modern sense of "an X about X" has given rise to concepts like "meta-cognition" (cognition about cognition), "meta-emotion" (emotion about emotion), "meta-discussion" (discussion about discussion), "meta-joke" (joke about jokes), and "metaprogramming" (writing programs that manipulate programs).