The work does not have to fit into one diagram.
A process is understood through its records, decisions and exceptions as well as its steps. While drawing the flow, examine the related request, explanatory note or organisation structure in the same context.
A data table, Kanban or relationship view of the same topic can answer different questions. Distinguish source records from local task cards to make clear what you are designing.
Discuss the impact of a proposed change.
Whose work changes when a step is removed? Which record is affected by a new condition? As the team compares alternatives visually, make its reasoning and uncertainty visible too.
Adding a step to a visual flow does not change a business rule in a source system. The intent to implement, source permission and confirmed result each have their own steps.
Connect a decision to a small trial.
Place the selected approach beside the work with tasks, dates and dependencies. When the pilot ends, review the observed result alongside the original assumption in the same Room.
Let new learning explain under which conditions a decision changed, rather than silently overwriting the earlier design.