# Core

Capabilities in this category enable basic reasoning about a USD asset and its contents, including the ability to position it in the world.

```{toctree}
:maxdepth: 1

SimReady <sim_ready/capability-sim_ready>
Units <units/capability-units>
Atomic Asset <atomic_asset/capability-atomic_asset>
Naming and Paths <naming_paths/capability-naming_paths>
```