Itemstack Components
Description
Components are a new 1.21 concept in Minecraft. They replace the old NBT tags with to help with structure and organisation.
Truly Modular adds a couple of their own Components, many for different reasons.
For more information we do recommend to check the Minecraft Wiki page on components.
The Sub Pages on this wiki will go indepth about the different components Truly Modular adds and their respective use cases.