# Glossary of Terms If we're missing any, please let us know on our [Discord channel](https://discord.gg/Qf7utym), and we'll add it to the list. | Term | Description | | ----------------------- | ---------------------------------------------------------------------------------------------------------------------------------- | | **stETH** | staked ETH in Lido | | **stETHvv** | stETH Volatility Vault | | **Strike price** | The agreed price in which the buyer will be able to sell or buy the underlying asset to the seller at any moment until expiration. | | **Put** | A put option describes the right to **sell** the underlying asset at the strike price. | | **Call** | A call option describes the right to **buy** the underlying asset at the strike price. | | **Premium** | The premium is the option's price. It is the amount that the buyer has to pay for the seller to purchase an option. | | **Principal Protected** | The principal invested is never at market risk. | --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.pods.finance/appendix/glossary-of-terms.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.