How to review payment-cycle learning

The app learns how late or early each party actually pays, versus their terms.

1. Record invoices and their payments over time, so there is history to learn from.
2. Open the invoice roll-up for a party: the learned typical lag is shown as a suggestion, with the sample size it is based on.
3. Use it to judge when a party's expected cash is really likely to land; it changes nothing on its own.

In-app documentation, version 5. Generated from the product documentation source, so this matches the app exactly.