Writing it down supports the whole system.
Every organization has people who know how things work. How the product catalog gets updated, and in what order. Which form feeds which system. Who to contact when something needs attention, and what to expect when they respond. This knowledge builds over time. It comes from experience, repetition, and a willingness to step in when something needs to get done. It becomes part of how the organization operates.
When that knowledge is captured, it becomes accessible to the broader team. The system is easier to understand. Work is easier to support. New team members can get up to speed more quickly, and existing team members have a shared reference point to work from.
This doesn’t replace the people who built that knowledge. It supports them. It creates space for them to focus on the work that benefits from their experience, rather than relying on them to recall and repeat the same steps.
From there, the system becomes more resilient. The knowledge that once lived across individuals becomes something the organization can use, maintain, and build on over time.