Articulations are the points where two or more bones meet in the body, allowing for movement and flexibility. These connections can be classified into different types, such as synovial, fibrous, and cartilaginous joints, each providing varying degrees of mobility. Synovial joints, for example, are the most common and allow for a wide range of motion, like in the knee and shoulder. The structure of an articulation includes various components, such as cartilage, ligaments, and synovial fluid. Cartilage cushions the bones, while ligaments provide stability by connecting bones to each other. Proper functioning of articulations is essential for overall mobility and physical activity.