> [!significance] Metadata > Author:: [Vatsal Sanjay](https://vatsalsanjay.com)<br> > Date published:: Jan 21, 2025<br> > Date modified:: Jan 21, 2025 at 11:03 CET # Geometric description of electric field * **Field Lines**: Draw lines so that at each point, their tangent matches the direction of $\vec{E}$ * **Density**: The number of lines per unit area (normal to the lines) is proportional to $\|\vec{E}\|$. * **Direction**: Arrows on the lines indicate the direction of $\vec{E}$. * **Interpretation**: This visual map shows both the direction and magnitude of $\vec{E}$ across space.