meaning "need to know" or keeping things on a need 2 know basis...mostly to keep things on the DL to keep from spreading things, such as illegal happenings, etc.
A small piece of information. Derived from the word ken, used often in the scottish language and is synonymous with knowledge.
Person 1: "Hey I don't get this shit. How do you solve this problem?"
Person 2: "I got that one. Give me some kenlets on this assignment and I'll help you w/ that one."