# Company hierarchy

Your company hierarchy shows the structure of your company's sites. The following list represents the hierarchy and relationships between a company, its sites, product catalogs, and categories.

* **Company**—The highest level of an organization. A company can have one or more sites.
* **Site**—An internet address or website. A company can have one or more sites. A site typically has one catalog.
* **Catalog**—A collection of products that are organized into categories for a store. A catalog typically has multiple categories.
* **Price List**—A site can control the pricing of products in a catalog with a price list. Pricing for a product is available in the resource fields of the [Products](https://docs.digitalriver.com/commerce-api-references/shopper-apis/browse-product-discovery/products) resource.
* **Category**—A category is a class of products in a store. Categories can be nested; that is, they contain a hierarchy of categories. The Commerce API provides access to categories with the [Categories ](https://www.digitalriver.com/docs/commerce-api-reference/#tag/Categories)resource.
* **Products**—A site implements a catalog of products. You can add products to one or more categories. A category typically has multiple products. The Commerce API provides access to products with the [Products](https://docs.digitalriver.com/commerce-api-references/shopper-apis/browse-product-discovery/products) resource.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.digitalriver.com/commerce-api/general-resources/global-commerce/company-hierarchy.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.