| 4k | | Or UHD. Ultra High Definition. Classification of a 2160p video resolution (3840 x 2160 pixels). |
| 5.8G | | Video transmission in 5.8Ghz. |
| Acro | | Flight mode with 3-axis gyro stabilization for 3d flight. |
| Altitude hold | | Automatic altitude stabilization. |
| ARF | | Lacks several components such as the radio control or the radio receiver. To be checked before buying (Almost Ready to Fly). |
| BF | | Chrome application for the configuration of a drone (Betaflight). |
| Bind | | Establish the link between radio control and radio receiver. |
| BL Heli | | Chrome application for the configuration of a drone's motors. |
| BNF | | Drone sold without radio control (Bind to Fly). |
| DIY | | Kit to build (Do it yourself). |
| DJI | | Drone brand (Da Jiang Innovation). |
| DRL | | International professional drone racing league in which pilots race against each other in FPV on three-dimensional tracks (Drone Racing League). |
| FHD | | Or Full HD. Full High Definition. Classification of a 1080p video resolution (1920 x 1080 pixels). |
| FPV | | First person view flights. |
| Frame | | Drone frame. |
| FW | | Pilot version (Firmwares). |
| GHZ | | Gigahertz. Unit of frequency, expressed in giga (x 1 million hertz). One hertz is a periodic phenomenon repeated every second. |
| Gimbal | | Stabilization support for camera. |
| GLONASS | | An alternative to GPS. Satellite navigation system providing location information (Global Navigation Satellite System). |
| GPS | | Satellite navigation system providing location information (Global Positioning System). |
| HD | | High Definition. Classification of a 720p video resolution (1280 x 720 pixels). |
| IBUS | | Communication protocol, especially used by flysky radios. |
| IMU | | A device which measures and reports acceleration, orientation, angles, and other gravitational forces (Inertial Measurement Unit). It may be composed of accelerometers, gyroscopes and magnetometers, being the electronic component which carries all the instruments allowing the automatic stabilisation assistance of the drone. |
| mAh | | Or mA-h. Milliampere-hour. Unit of measurement of electrical charge expressed in thousandths. In our context and slightly simplified, it refers to the power of the battery. |
| Micro | | International system of units prefix meaning very small. Mathematically, it is one unit divided by one million. |
| Mini | | Prefix meaning small. A popular word not related to the international system of units. |
| Nano | | International system of units prefix meaning ultra small. Mathematically, it is one unit divided by one billion. |
| OSD | | On screen display (visual transmission of flight information). |
| P3, P4, Px | | Generally refers to the DJI Phantom 3 or 4. These are image-taking drones. |
| Pitch | | Axis of forward/backward movement. |
| Quadcopter | | Or quadrotor. In our context, alternative words for a drone. More generally, it is a flying machine using four rotors to ensure its lift and ability to fly. |
| RC | | Refers to a product which is controlled remotely by means of a radio control / remote control (Radio Controlled). |
| Roll | | Lateral displacement axis. |
| RTF | | Ready to fly drone. |
| RTH | | Automatic return to point of origin feature (Return To Home). |
| RX | | Radio Receiver. |
| SD | | Used to refer to an SD (Secure Digital) card. SD cards are removable memory cards for storing digital data. |
| STAB | | Stabilized flight mode on 6 axis. |
| Throttle | | Acceleration and deceleration axis. |
| Tiny Whoop | | A small aircraft piloted in immersion, using a camera positioned at the "cockpit" and a mask with a display in which you can see as if you were wearing glasses. Small because it is supposed to be used indoors. |
| TVL | | Resolution of an image (TV line). |
| TX | | Radio control (Transmitter). |
| UART | | Communication port. |
| VTX | | Video transmitter. |
| Yaw | | Rotation axis. |
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