> For the complete documentation index, see [llms.txt](https://docs.wandfi.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wandfi.io/products/yield-vault-v2/glossary.md).

# Glossary

* **PT (Principal Token)**: Represents the principal capital of the yield trading product.
* **YT (Yield Token)**: Represents the yield portion of the yield trading product.
* **BT (Base Token)**: A standardized, wrapped version of the underlying asset.
* **Maturity**: The time of the product's maturity.
* **Proportion**: The ratio of PT assets in the pool.
* **Price**: The exchange rate of BT to PT.