The thresholds that trigger an alert, and who hears about it — this is where every "set in Notifications & Alerts" link across the app actually lands.
Drives the shortage flags on Warehouse → Stock Overview and Low-Stock Alerts.
The schedule Accounts Receivable follows — this is what Invoicing & Tax points to when it says "reminder timing is set here."
Every alert type in PrintFlow, who it notifies, and how — this is also where the Stale-Lead Alert channel from Sales Pipeline is set.