# Common Keywords/Formats

| Keyword | Definition                            |
| ------- | ------------------------------------- |
| CTR     | A generic code-name used for the 3DS. |
| MiTM    | Man-in-The-Middle                     |

| File  | Definition                                                                                          |
| ----- | --------------------------------------------------------------------------------------------------- |
| .3dsx | Universally agreed-upon format for 3ds homebrew. Can only be launched through the Homebrew Launcher |
| .cia  | Official format that contains the game, its metadata and a ticket.                                  |