# Work with Streamlit elements

Source: https://docs.streamlit.io/develop/tutorials/elements

**[Annotate an Altair chart](https://docs.streamlit.io/develop/tutorials/elements/annotate-an-altair-chart)**: Add annotations to an Altair chart.

**[Get row selections from dataframes](https://docs.streamlit.io/develop/tutorials/elements/dataframe-row-selections)**: Work with user row-selections in dataframes.