Where the difference lies
Lagging indicators are needed for comparison and statutory reporting, but they report late: when the number falls they do not tell you what worked. Leading indicators measure behaviour inside the process — how many of the planned field walks happened, how many corrective actions closed on their date, how much of the trained behaviour is actually seen on observation. These are numbers you can act on.
How many
A dashboard with more than forty indicators is a dashboard nobody acts on. Eight to twelve, each tied to an owner and a decision, beat a long list. The test is simple: if this number gets worse, who does what? An indicator without an answer comes off the dashboard.
In Optifora the indicators are not carried by hand into a separate sheet; they are produced directly from inspection, incident, task and training records.