# Lines and trails

> How to render lines, trails, and billboards.

Unity uses specialized components to configure and render lines, trails, and billboards.

| **Topic**                                                                                            | **Description**                                                                                                |
| ---------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------- |
| [Rendering lines](/engine/6000.3/manual/visual-effects/lines-trails-billboards/rendering-lines.md)   | Techniques for rendering individual lines in 3D space, and applying materials to those lines.                  |
| [Rendering trails](/engine/6000.3/manual/visual-effects/lines-trails-billboards/rendering-trails.md) | Techniques for rendering trails that appear behind moving GameObjects, and applying materials to those trails. |

## Render pipeline information

How you work with lines and trails depends on the render pipeline you use.

| **Feature name**             | **Universal Render Pipeline (URP)**                             | **High Definition Render Pipeline (HDRP)**                      | **Built-in Render Pipeline** |
| ---------------------------- | --------------------------------------------------------------- | --------------------------------------------------------------- | ---------------------------- |
| **Line Renderer component**  | Yes.                                                            | Yes.                                                            | Yes.                         |
| **Trail Renderer component** | Yes.You can also use VFX Graph to create a custom trail effect. | Yes.You can also use VFX Graph to create a custom trail effect. | Yes.                         |

## Additional resources

* [2D images for low level of detail (LOD)](/engine/6000.3/manual/analysis/graphics-performance-profiling/lod/2d-images-lod.md)