Provides doctypes to collborate with your team. Run iterations and record discoveries that may be of interest at the end of the iteration or for even later reference. Quick notes are more easily added as records to the team's space than to the official documentation tree. Defer the talk to the documentation architect to the end of the iteration (if the discovery is still of interest).
The homepage of John Doerr's book Measure what Matters: OKRs – the Simple Idea That Drives 10× Growth. A very recommended read to learn about OKRs and CFRs.