Many generators allow users to create multiple name-based variants for a single item quickly, which is perfect for "furniture" packs that use renamed items to represent things like chairs or tables.

For a hands-on look at how these files are structured and how to set them up manually if a generator fails, watch this guide: How to use Optifine CIT Stonley890 YouTube• Jun 26, 2021

This is a major win for beginners who struggle with the exact syntax required for NBT tags or regex patterns. Long Review: Performance and Utility