This article from the Getting Started Guide focuses on some additional fields that you will encounter during product configuration.
While a brief definition of the fields are provided here you can view this article for more information.
Cut Off Date – The first available date from today to be selected in the date picker. E.g. if you only want customers to be able to book from tomorrow onwards then set the cut off date to 1.
Future Days - The maximum number of days in the future a booking can be created. E.g. if you want to restrict forward bookings to a max of 3 months out then set this value to 90.
Lead Time – The number of days added before the start of the booking. This is typically used to account for the time required to pack and ship the item being rented.
Lag Time – The time required to get the item ready before the next booking or rental. The value entered here will automatically added to the end date when a new booking is created.