Engine
Engine | Engine, the engineA central component of the program, designed to solve a specific problem. As a rule, the slider is formalized in the form of an independent module (for example, a dynamic library) for use in several projects.
The game engine is a universal or specialized software designed for the development of computer games. As a rule, contains a set of components for modeling of game situations, the withdrawal of the graphics and sound, as well as user interaction via the input device.
The graphics engine (2D, 3d or hybrid) is one of the key parts of the game engine, which is responsible for the output of graphics. Currently, the graphics engines are typically created on the basis of system of graphics API (DirectX, OpenGL, etc.).
See also Physics Engine.