---
description: Concepts used in Azure Translator BDK Book.
---

# Concepts

### Azure file reference

Represents a reference to a file in an Azure Storage.

| Field Name       | Description                                                                            | Type             |
| ---------------- | -------------------------------------------------------------------------------------- | ---------------- |
| `container_name` | The name of the container.                                                             | `text`           |
| `blob_name`      | The full path of the file within the container, including the file name and extension. | `text`           |
| `account_name`   | The name of the account.                                                               | `optional[text]` |
| `etag`           | Entity tag.                                                                            | `optional[text]` |
| `sas_token`      | SAS token.                                                                             | `optional[text]` |

### Azure folder reference

Represents a reference to a folder in an Azure Storage

| Field Name       | Description                                                                                                    | Type             |
| ---------------- | -------------------------------------------------------------------------------------------------------------- | ---------------- |
| `container_name` | The name of the container.                                                                                     | `text`           |
| `path`           | The path of the folder within the container. Should end with a trailing slash ('/') to indicate it's a folder. | `text`           |
| `account_name`   | The name of the account.                                                                                       | `optional[text]` |
| `etag`           | Entity tag                                                                                                     | `optional[text]` |
| `sas_token`      | SAS token.                                                                                                     | `optional[text]` |
