In the context of the Horion client for Minecraft Bedrock Edition
An NBT Kit is essentially a packaged set of item data. Instead of manually typing 30 commands to give yourself a sword with five enchantments, a name, and unbreakable tags, you load a "kit." Kits can include:
NBT stands for Named Binary Tag, which is a file format used by Minecraft to store data for items, blocks, and other game objects. NBT files contain a collection of tags, which are essentially key-value pairs that store information about the object.
INSERT key by default).give @s diamond_sword)..nbt edit or .enchant commands to modify it..save nbtkit_sword — now you have a clean, self-made kit.C:\Users\[YourName]\Documents\Horion\Kits\ folder (create it if missing)..kit load GodKit