# Model Components

Building blocks for defining power system models.

```{seealso}
Before diving into specific components, understand the foundational concepts:
- {doc}`../concepts/atoms` - How parameters, variables, and services share a common interface (v-provider)
- {doc}`../concepts/dae-formulation` - How variables contribute to the DAE system (e-provider)
```

```{toctree}
:maxdepth: 1

parameters
variables
services
discrete
blocks
groups
```
