“common ground is what makes joint activity and coordination work (although each joint action, in turn. serves to change common ground)”
— Gary Klein, Paul Feltovich, Jeffrey Bradshaw and David Woods
Importantly:
"requires continuing effort to sustain, extend, and repair common ground."
— Richard Cook
Image: from notes by @RoelJacobs
https://twitter.com/_RoelJacobs_/status/1402718371360161799