ENB – is a program that uses post processing effects to create enhanced visuals in the game.DynDOLOD – Dynamic Distant Objects Level of Detail.DB and DG – Dragonborn and Dawnguard DLC.CK – Creation Kit (this tool is used to both edit and create mods).For more information, specifically about loose vs packed, read this post by the wonderful u/Thallassa) BSA – Bethesda Softworks Archive (you will see this compressed file type in many mods it can include sounds, textures, models, etc.AIO – All-in-One (often used to describe when a mod author has merged multiple iterations/versions of their mod(s) into one, and often can include compatibility patches as well).