# Fundamental concepts

Source: https://docs.streamlit.io/get-started/fundamentals

Are you new to Streamlit and want the grand tour? If so, you're in the right place!

- **[Basic concepts.](https://docs.streamlit.io/get-started/fundamentals/main-concepts)** Learn the fundamental concepts of Streamlit. How is a Streamlit app structured? How does it run? How does it get your data on a webpage?
- **[Advanced concepts.](https://docs.streamlit.io/get-started/fundamentals/advanced-concepts)** After you understand the rerun logic of Streamlit, learn how to make efficient and dynamic apps with caching and Session State. Get introduced to handling database connections.
- **[Additional features.](https://docs.streamlit.io/get-started/fundamentals/additional-features)** Learn about Streamlit's additional features. You don't need to know these concepts for your first app, but check it out to know what's available.