Tags and Bits are items exclusive to the 23w13a_or_b April Fool's joke snapshot from 2023. They are used to craft in-game representations of NBT tags. (Source- MC Wiki)
This texture was not part of the update, I removed the text
Use the editor window above to rotate or move the model as you want, and then click the
Get the command button to get a new command.
If you want to make more changes or completely remake the model, open the full version
of the editor using the Open in BDEngine button.
To use a command in the game, you need a Command Block, as the chat field in Minecraft has a character limit.
Now you can destroy the Command Block and enjoy the installed model. Repeat the procedure several times if there are multiple model commands in the export window.
Be sure to install Axiom [modrinth] if you haven't already.