EDCA or Explore-Do-Check-Act.
I like to use this term; EDCA learned from Graham Hill to designate the Explore aspect of Lean. I view it as more of Design Type thinking content that allows for that collaborative learning cycles with a customer.
We are capturing comments and/or suggested improvements to the card over on LinkedIn, http://bit.ly/2eKKA0t.
If you would like additional background on the EDCA process and download the A3 visit my blog post, The Innovation A3 https://business901.com/blog1/the-innovation-a3/. This post includes PDF and Excel versions of the two styles.
A portion of the card is adapted from the book Designing for Growth: http://amzn.to/2wLGEq5