| API (Application Programming Interface) | Type of software interface, offering a service to other pieces of software. An API is a way to programmatically interact with a separate software component or resource | 
| Attributes | Gender and age of a person determined automatically by the system | 
| Bbox (Bounding Box) | A rectangle that bounds the image space with the detected object (for example, face, body) | 
| Descriptor | A binary data set prepared by the system based on analyzed characteristic. It is a composite vector of person's face attributes | 
| Cross-matching | Many-to-many comparison (M:N). In the context of this document, comparing multiple lists | 
| Docker | A software for developing, shipping, and running applications. Docker provides the ability to package and run an application in a loosely isolated environment called a container | 
| Docker Compose | A tool for defining and running multi-container Docker applications | 
| Docker-container | A runnable instance of an image. A container is defined by its image as well as any configuration options provided to it when it was created or started. When a container is removed, any changes to its state that are not stored in persistent storage disappear. The isolation and security allow to run many containers simultaneously on a given host | 
| Docker-image | A read-only template with instructions for creating a Docker-container | 
| Docker registry | A tool for storing Docker-images | 
| LUNA PLATFORM 5 (LP5) | VisionLabs automated facial recognition system | 
| Nginx | An open source software for web serving, reverse proxying, caching, load balancing, media streaming, and more. In addition to its HTTP server capabilities, NGINX can also function as a proxy server for email (IMAP, POP3, and SMTP) and a reverse proxy and load balancer for HTTP, TCP, and UDP servers | 
| Matching | A procedure of matching descriptors for the purpose of comparison | 
| User Interface (UI) | Graphical user interface |