From and To dates

A Contact for whom this equipment is reserved

One or more Items and / or Kits

A Location of where the equipment will be checked out (if you have just one location in your account, this location will be filled in automatically).

Draft
These reservations haven't been fully booked yet -- you're still working on it.

Booked
The reservation has been made. Your date-range will show the calendar for each piece of equipment as booked (The equipment can still have status Available at this time). When the day of the reservation arrives, the reservation will have to be converted into a check-out or closed.

Closed
The reservation was completed. This allows you to close reservations that are no longer relevant (without checking out the equipment). 

Converted
The reservation was converted to a check-out. The equipment in the reservation has left in a check-out (and might even already be back).

Overdue
The reservation should have already been checked-out. Depending on the date range of the reservation, you'll be able to convert the reservation to a check-out, edit it, close it, or cancel it completely

Cancelled
The reservation was cancelled. The equipment calendars for that date-range will be cleared again, so it can be booked somewhere else.