The art director is in charge of the overall visual appearance and how it communicates visually, stimulates moods, contrasts features, and psychologically appeals to a target audience. The art director makes decisions about visual elements used, what artistic style to use, and when to use motion. wikipedia.org

Conceptual design is a type of art which gives precedence to hypothetical function, it is the creation and exploration of new ideas. wikipedia.org

ZBrush is a digital sculpting tool that combines 3D/2.5D modeling, texturing and painting. It uses a proprietary "pixol" technology (see below) which stores lighting, color, material, and depth information for all objects on the screen. wikipedia.org

Computer-aided design (CAD), also known as computer-aided design and drafting (CADD), is the use of computer technology for the process of design and design-documentation. Computer Aided Drafting describes the process of drafting with a computer. wikipedia.org

Jewelry is a form of personal adornment, such as brooches, rings, necklaces, earrings, and bracelets. wikipedia.org

3D computer graphics are works of graphic art that were created with the aid of digital computer and specialized 3D software. In general, the term may also refer to the process of creating such graphics, or the field of study of 3D computer graphic techniques and its related technology. wikipedia.org

Computer animation is the process used for generating animated images by using computer graphics. wikipedia.org

CINEMA 4D is a 3D modeling, animation and rendering application developed by MAXON Computer GmbH of Friedrichsdorf, Germany. It is capable of procedural and polygonal/subd modeling, animating, lighting, texturing, rendering, and common features found in 3d modelling applications. wikipedia.org

3D rendering is the 3D computer graphics process of automatically converting 3D wire frame models into 2D images with 3D photorealistic effects on a computer. wikipedia.org

KeyShot is a standalone real-time rendering application that makes renderings and animations fast and easy, with support for the a number of 3D file formats on both Mac and PC.

Computer illustration or digital illustration is the use of digital tools to produce images under the direct manipulation of the artist, usually through a pointing device such as a tablet or a mouse. wikipedia.org

3D modeling (also known as meshing) is the process of developing a mathematical representation of any three-dimensional surface of object (either inanimate or living) via specialized software. wikipedia.org