# Project Objects

**Project Objects** are the types of **Objects** that appear in the **Project Outliner**. These are the **Scene Object**, which is a **Collection** of **Objects** that belong to a unique section of your *Interface*, the **Scene2D Object**, which is a *2D* version of a **Scene**, and the **Screen Object**, which defines the target display specifications.

![](https://4263346935-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLnh3x8s9fddWeG8TaAug%2Fuploads%2Fgit-blob-0974458a7e9929e86d10041f4de52b024c750ebb%2Fprojectoutliner20232.png?alt=media)

Read more about these **Objects** here:

* [**Scene**](https://docs.incari.com/incari-studio/2024.1/objects-and-types/project-objects/scene)
* [**Scene2D**](https://docs.incari.com/incari-studio/2024.1/objects-and-types/project-objects/scene2d)
* [**Screen**](https://docs.incari.com/incari-studio/2024.1/objects-and-types/project-objects/screen)
* [**HMD**](https://docs.incari.com/incari-studio/2024.1/objects-and-types/project-objects/hmd)