In other words, it's jargon from a specialized or small group of people, and it can annoy other people when you use it too much or when it seems to be used to exclude people. Abbreviations can be similarly annoying.
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.