Billboard Asset

A Billboard Asset is a collection of pre-rendered images of a more complicated MeshThe main graphics primitive of Unity. Meshes make up a large part of your 3D worlds. Unity supports triangulated or Quadrangulated polygon meshes. Nurbs, Nurms, Subdiv surfaces must be converted to polygons. More info
See in Glossary intended for use with the Billboard RendererRenders Billboard Assets, either from a pre-made Asset (exported from SpeedTree) or from a custom-created file that you create using a script at runtime or from a custom editor, for example. More info
See in Glossary, in order to render an object at some distance from a CameraA component which creates an image of a particular viewpoint in your scene. The output is either drawn to the screen or captured as a texture. More info
See in Glossary at a lower level of detail (LOD) to save on renderingThe process of drawing graphics to the screen (or to a render texture). By default, the main camera in Unity renders its view to the screen. More info
See in Glossary time.

The most common way to generate a BillboardA textured 2D object that rotates as it, or the Camera, moves so that it always faces the Camera. See Billboard Renderer
See in Glossary AssetAny media or data that can be used in your game or Project. An asset may come from a file created outside of Unity, such as a 3D model, an audio file or an image. You can also create some asset types in Unity, such as an Animator Controller, an Audio Mixer or a Render Texture. More info
See in Glossary is to create files in SpeedTree Modeler, and then import them into Unity. It is also possible to create your own Billboard Assets from script. See the API reference for BillboardAsset for further details.