Banners - A banner is a small graphical image that you can include on your own website which contains information about your hides and finds.
Bonehead – getting in the background of someone else’s geocaching photo, usually at an event cache.
Cache Creep - The cumulative effect of geocachers returning a cache to a very slightly different position each time it is replaced. Over time, the cache "creeps" into an entirely different place.
CITO - Cache In Trash Out - When out geocaching, take a bag with you and pick up trash along the way!
Compass - A low tech direction finding device.
Confluence - A confluence is defined as a flowing together; a meeting place (often of rivers). In our case a degree confluence is the exact spot where an integer degree of latitude and an integer degree of longitude meet.
Coordinates - A set of numbers in latitude and longitude that define a location on earth. In geocaching terms, this is where the cache should be located.
Datum - A datum is something used as a basis for calculating and measuring. In the case of GPS, datums are different calculations for determining longitude and latitude for a given location. Geocaching uses the WGS84 datum for all caches. WGS84 stands for World Geodetic System 1984.
GPS - A system of satellites used for geocaching.
Great Circle - A great circle is a circle on the surface of a sphere that has the same circumference as the sphere, dividing the sphere into two equal hemispheres.
Haystacking - Hiding a cache in a place that has an exremely large number of possible hiding places.
Hitch hiker - A hitchhiker is an item that is placed in a cache, and has instructions to travel to other caches. Sometimes they have logbooks attached so you can log their travels. Travel bugs and Swaggies are examples.
Large cache - Of the 4 physical cache sizes, this one is the largest.
Letterboxing - Letterboxing is similar to Geocaching, but you use a series of clues to find a container. Once you find the container (or letterbox), you take a carved stamp from the box and stamp your personal logbook. You then take your carved stamp and stamp the letterbox's log book.
LOC - The original download format for the search results page on geocaching.com which is an xml file containing a miminal amount of information about a particular cache.
Logo - The various logos used by Geocaching Australia.
Maintenance - The function of checking on your hidden caches to ensure that:
- The cache is still there
- It hasn't been eaten by The Ravenous Bugblatter Beast of Traal
- The cache container retains it integrity and is not leaking.
- Everything inside the cache container is still in good condition.
Micro cache - Of the 4 physical cache sizes, this one is the smallest.
Multi-cache - Also known as an offset cache, this cache is not found at the listed co-ordinates. The listed set of co-ordinates will generally lead you to a location where you may be required to gather additional information which will be used to find the final cache location. There may be a cache at the listed co-ordinates, but in general terms, this cache will have a puzzle or additional co-ordinates to visit which you must do in order to find the actual cache. This different from a Mystery cache.
- Power trail - Many caches placed along the one walking trail, resulting in near saturation levels.
- Cache Proximity - The distance of one cache from another.
Regular cache - Of the 4 physical cache sizes, this one is number 3 in increasing size.
Spoiler - A spoiler is information that can give details away and ruin the experience of something. For example, telling someone the end of a movie before they see it. In geocaching, a spoiler gives away details of a cache location and can ruin the experience of the hunt.
Small cache - Of the 4 physical cache sizes, this one is number 2 in increasing size.
Stash note - A stash note is a sheet of paper placed inside the cache container indicating that this is a geocache, what geocaching is and what to do if accidentally found.
StatPack - The Geocaching Australia StatPack is designed to allow you to create your own statistics.
Swaggie - A Swaggie is a uniquely Australian trackable hitch hiker that can be placed in a cache.
Terrain - A subjective rating on how difficult you will find it getting to GZ.
TFTC - Thanks For The Cache , Alt. TFTH - Thanks For The Hunt.
TNLN - Took Nothing. Left Nothing. Usually found in cache logbooks for folks that enjoy the thrill of the hunt more than the material contents of the cache.
U,V & W
Virtual cache - Adapted from "Virtual Reality," virtual means "nothing there." So a virtual cache means there is no cache container. It's the location that is the cache itself. Nothing is normally traded, except photos and experiences.
WWJHI – Where Would Jesus Hide It - geocache hider sarcasm for "I feel like being a bastard"