SIPOC
Put a whole process on one page: who supplies it, what goes in, the main steps, what comes out and who receives it. It fixes the scope before the work starts.
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STEP 1
The process and its edges
STEP 2
Fill the five columns — start in the middle, with the steps
S Suppliers
I Inputs
P Process steps
4 to 7 steps, each a verb.
O Outputs
C Customers
Up to 10 lines in each column. You can paste a column straight from Excel.