The Transform class provides you with a variety of ways to work with a GameObject’s position, rotation and scale via script, as well as its hierarchical relationship to parent and child GameObjectsThe fundamental object in Unity scenes, which can represent characters, props, scenery, cameras, waypoints, and more. A GameObject’s functionality is defined by the Components attached to it. More info
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For a full overview of working with Transforms in the Editor, see the Transform user manual page.
For an exhaustive reference of every member of the Transform class and further technical details about it, see the Transform script reference.