# Reserved Identifiers

The list of all reserved identifiers or identifiers with special meaning.

## Representation Format Fields

* `_links` - [HAL](../message/hal.md)
* `_embedded` - [HAL](../message/hal.md)

## Query Parameters

* `fields`- [Choosing Fields & Embedded Resources](../execution/choosing-fields-and-embedded-resoruces.md)
* `embedded` - [Choosing Fields & Embedded Resources](../execution/choosing-fields-and-embedded-resoruces.md)
* `offset` - [Pagination](../execution/pagination.md) 
* `limit`- [Pagination](../execution/pagination.md)