| BitLocker | Drive encryption of Windows. An encrypted drive must be unlocked with a key protector, usually the recovery key, before O&O BlueCon can access it. |
| BitLocker recovery key | A 48-digit number that unlocks a BitLocker drive. Its recovery key ID identifies the drive it belongs to. |
| Boot media | A USB drive, ISO image or WIM image with the O&O BlueCon recovery environment. |
| CHKDSK | Windows tool that checks and repairs a file system. |
| DISM | Windows tool that checks and repairs the Windows component store, from which system files are restored. |
| Expert mode | Option of the media creator for choosing the drivers and programs of the boot media. |
| Host system | The PC on which the media creator builds the boot media. |
| ISO image | A file with the contents of a CD or DVD. It is burned to a disc or attached to a virtual machine. |
| Launch pad | The program tiles at the top of the O&O BlueCon desktop. |
| Media creator | The O&O BlueCon program on a working Windows PC that builds the boot media. |
| RAM drive X: | The drive of the recovery environment in memory. Its contents are lost at restart. |
| Recovery environment | The Windows PE system of O&O BlueCon that runs from the boot media. |
| SFC | System File Checker; Windows tool that checks and restores protected system files. |
| Start wizard | The window Welcome to O&O BlueCon that prepares the target system, network and screen. |
| Target system | The Windows installation on the disk that the O&O BlueCon programs service. |
| UEFI | The firmware of current computers, successor of the BIOS. It decides from which drive the computer starts. |
| Windows PE | A minimal Windows for installation and recovery. The basis of the recovery environment. |
| WIM image | Windows image file. O&O BlueCon can save the recovery environment in this format. |