Interactive, (3D pdf): A technique that enables users to engage with and manipulate graphical elements in a digital environment - zooming in or out, rotating, changing colors, adding or hiding elements. View internal parts of assemblies from any angle. Interactive, 3D pdf images can be linked to networked and online databased parts lists, maintenance instructions and the like. Exploded Views: These illustrations show the individual components of a complex object separated from each other but positioned to show their relationship. They're commonly used in assembly manuals and product catalogs. Cutaway Illustrations: Show the internal structure of an object by removing a portion to reveal the inner workings. They're used in technical manuals, textbooks, and product advertisements to explain functionality. Isometric illustrations: Represent three-dimensional objects in a two-dimensional space using a set of three equal angles. They provide a realistic view of an object's shape and are often used in engineering and architectural drawings. Photo-realistic Renderings: Illustrations that mimic the appearance of photographs, providing a highly detailed and realistic depiction of an object or scene. They're used in product design, architecture, and marketing materials to showcase the appearance of a finished product. Infographics: Combine text and visuals to present complex information in a concise and easily understandable format. They're used in technical documentation, presentations, and marketing materials to convey data and statistics. Flowcharts and Diagrams: These illustrations use symbols and shapes to represent processes, workflows, and relationships between different elements. They're commonly used in technical documentation, software engineering, and business presentations. Iconography: Illustrations that use simplified symbols and icons to represent concepts, actions, or objects. They're often used in user interfaces, signage, and instructional materials to provide visual cues and guidance. Animations and Video: llustrations that use motion and interactivity to demonstrate processes, assembly instructions, or product functionalities. They're used in online tutorials, training materials, and marketing campaigns to engage audiences and provide dynamic demonstrations. Patent: European Patent Office (EPO): The guidelines specify requirements for drawings under the European Patent Convention (EPC) Rule 46, including rules on multiple views and the necessity of drawings for understanding the invention. There are special rules for patent drawings.