The document discusses various types of design including interior design, product design, logo design, typography design, and web design. It explains how 3D rendering can be used in interior design to visualize a space without wasting materials. It also discusses how vector drawings are useful for logo design because they produce cleaner results than line drawings. Furthermore, it mentions that photographic manipulation can involve simply coloring an image or completely changing the subject of the photo. The document provides examples of different designers and their specializations.