Minimum fare only covers limited mileage

Minimum fare includes limited mileage/time.

You choose it on the top row of the Fare rules screen, which the fare editor opens from its HANDLING ENTRY/MINIMUM FARE row.

The three options for what the entry or minimum fare includes, with this one selected

This is set per fare, so a day rate and an airport flat rate can handle it differently.

Minimum fare only covers limited mileage — Fare rules

Minimum fare covers up to its own value — Minimum fare includes extras and fare up to its own value.
Entry/base fare provides limited mileage — Entry/base fare includes limited mileage/time.