A Gaming Glossary: K

KD(competitive shooters, esp. Apex Legends) see KDR
KDR(competitive shooters; short for kill-to-death ratio) A player’s ratio of kills to deaths, in a specific match or overall.
>> My KDR improved when I stopped walking into obvious traps.
kite(MMOs) To pull a mob so that it continues chasing the player but has little or no chance to do damage. The mob’s HP is then gradually whittled down using DoTs or ranged attacks.

※ Historical Note
Kiting as a strategy is closely associated with EverQuest, where bards had a combination of abilities that allowed them to consistently outrun mobs while doing area-of-effect damage. Modern MMOs have made kiting strategies less convenient, and in some cases impossible, by putting mobs on a leash.