> For the complete documentation index, see [llms.txt](https://docs.plenit.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.plenit.com/docs-en/productos/remote-desktop/concepts/glossary.md).

# Glossary

A quick review of the terms we use when talking about Remote Desktop. If you come across one and it isn't clear, look it up here.

### Environment and servers

| Term            | What it is                                                                                     |
| --------------- | ---------------------------------------------------------------------------------------------- |
| Environment     | The set of servers, users, and applications that make up a Remote Desktop for an organization. |
| Server (host)   | The Windows server that serves the users' sessions in the environment.                         |
| Multi-server    | Environment with more than one server, to distribute the load across several.                  |
| Load balancer   | Distributes users' sessions among the servers in a multi-server environment.                   |
| Server template | Reusable base configuration for deploying consistent environments.                             |

### Users and access

| Term              | What it is                                                                            |
| ----------------- | ------------------------------------------------------------------------------------- |
| Concurrent user   | User with an open session at the same time; this is what determines load and billing. |
| Session           | The active connection between a user and the environment.                             |
| Connection mode   | How the user enters and what they see (application Launchpad or full desktop).        |
| RemoteApp         | The environment applications run integrated with the user's Windows computer.         |
| HTML5             | Access to the environment from the browser, for any operating system.                 |
| Direct connection | Access from the user's desktop (RDP or RemoteApp), without going through the portal.  |
| User portal       | The website from which the user enters their applications or desktop.                 |
| 2FA               | Two-step verification to strengthen each user's access.                               |

### Applications

| Term                | What it is                                                                            |
| ------------------- | ------------------------------------------------------------------------------------- |
| Publish             | Install an application in the environment and associate it with the users who use it. |
| Marketplace         | Catalog of preconfigured applications ready to add.                                   |
| Manual installation | Installation of any application via console on the server.                            |

### Administration

| Term         | What it is                                                                                         |
| ------------ | -------------------------------------------------------------------------------------------------- |
| Subscription | The relationship that groups and bills the Remote Desktop service.                                 |
| Permissions  | The level of each user, User or Administrator (the latter with Windows administrator permissions). |

### Next steps

* Go back to [Concepts.](/docs-en/productos/remote-desktop/concepts.md)
* See the reference in [Details.](/docs-en/productos/remote-desktop/details.md)


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