# Entity

An `Entity` object is the abstraction of everything that requires physics simulation (except for rendering) in a scene.
This covers rigid-bodied or deformable objects, liquid, etc., simulated with different physics solvers such as MPM, PBD, etc.

```{toctree}
rigid_entity/index
avatar_entity/index
mpm_entity
fem_entity
pbd_entity/index
sph_entity
drone_entity
hybrid_entity
emitter
```
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