Flashlight Terminology Wiki - Having trouble understand all the terms used in my flashlight reviews?
EDC or Every Day Carry, refers to items and articles that people carry with themselves on a daily basis. This is varies for different people, I tend to prefer a relatively minimalist approach, but others carry guns, flashlights, knives and a whole plethora of other objects.
If you like keychain gadgets and pocket tools, there does tend to be an overlap. Here's a few blogs on EDC:
Everyday Commentary: http://everydaycommentary.blogspot.com
EDC Forums also are a good source for keychain gadgets and other various pocket tools. Have a particular look at the 'keychain tools' subforum: http://edcforums.com/forum.php