I have a value list of martial art belt ranks. As you can imagine the ranks are hierarchical with a specified order. For example. First belt = white, Second belt = yellow, Third belt = green, etc. I would like my end users to be able to search a range of these belts using my "rank field" and common FM search operators (e.g. find White Belt...Green Belt). I've searched high and low and must not have the correct terminology to find a solution. Any help appreciated.