I agree with him that sometimes visualising a domain can help you capture the big picture. It serves not only as a reminder to keep the big picture in focus, but also could be used as a check-list of sorts when reviewing your company's collaboration enviroment in terms of knowledge and the way it is managed.
I am a Knowledge Management Consultant and also Facilitate the Knowledge Management Roundtable for SIRF. I help companies with expertise identification & mgt, collaboration, teamwork and knowledge systems to improve an organisation's performance and resilience to change.
I have completed a Masters thesis on Wiki use in Small to Medium Enterprises through the University of South Australia.