Computer-Aided Design (CAD) is a versatile tool that employs computer software to create and modify designs, encompassing both two-dimensional (2D) drawings and three-dimensional (3D) models. Its applications span across diverse fields, such as engineering, architecture, manufacturing, and product design. CAD offers significant advantages, including precision, visualization, efficiency, collaboration, and simulation capabilities. A comprehensive understanding of both its theoretical underpinnings and practical application is essential to harness the potential of CAD. Theoretical knowledge provides a solid foundation in CAD principles, enabling users to comprehend the software's functionalities and capabilities. Practical experience, on the other hand, equips individuals with the hands-on skills necessary to create, manipulate, and analyze designs using CAD tools. Professionals can enhance their design skills, improve productivity, and contribute to advancements in their respective fields by acquiring a strong theoretical and practical grasp of CAD.

Kinematics of Machines is the study of the motion of mechanical systems without considering the forces that cause the motion. It's a fundamental branch of mechanical engineering that deals with the analysis and synthesis of mechanisms, which are devices that transmit or modify motion. Understanding kinematics is crucial for designing and analyzing machines, as it provides insights into the relationships between the positions, velocities, and accelerations of different components. By studying kinematics, engineers can optimize the performance, efficiency, and reliability of various mechanical systems, from simple linkages to complex robots and automated manufacturing equipment.