> For the complete documentation index, see [llms.txt](https://doc.telosys.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.telosys.org/models.md).

# Models and entities

A "Telosys model" is a model based on a set of text files written with the Telosys "Domain Specific Language". The Telosys DSL uses a very simple grammar to define entities with their attributes and relationships.&#x20;

See pages below for more information:

* [Model structure](/models/model-structure.md)
* [Entity](/models/entity.md)
* [Attribute](/models/attribute.md)
* [Link](/models/link.md)
* [Annotations](/models/annotations.md)
* [Tags](/models/tags.md)
* [Examples](/models/examples.md)
* [Model creation](/models/model-creation.md)
* [Model installation](/models/model-installation.md)
* [Models management](/models/models-management.md)
