GPU − Graphical processing unit, it is a special electronic device that accelerates the rendering of images.

JNI − Java Native Interface. Using which, java access native methods.

Model − They are the objects constructed from basic graphics primitives such as points, lines and polygons.

Pixel − Smallest unit of display seen on the screen.

Projection − The method of mapping the coordinates of an object to a two-dimensional plane is called projection.

Projection matrix − It is a linear transformation of an object on the 2D surface.

Rendering − A process by which computer creates images from models.

Viewport − A viewport is a viewing region on the screen in computer graphics.