Letterboxing Glossary: O
- other letterbox
An 'other' letterbox is anything that is not covered by the existing classification for boxes such traditionals, virtuals, postals, LTCs, event boxes, and so forth. Often times, an other "box" is nothing more than a stamp that is shared between members.
A cross-country race in which competitors use a map and compass to find their way through unfamiliar territory.
- orienteering compass
A letterbox planted in a distant, far-off location that the creator cannot check on regularly, or possibly not at all. When another letterboxer volunteers to take care of an orphan, it becomes an adopted box.