A "side" refers to a position or surface that is adjacent to or part of an object. For example, a cube has six sides, each being a flat surface that contributes to its overall shape. In geometry, sides are important for defining the properties of various shapes, such as triangles and rectangles. In a broader context, "side" can also refer to a perspective or stance in a discussion or conflict. For instance, during a debate, participants may take different sides based on their opinions or beliefs. This usage highlights the importance of understanding various viewpoints in communication and decision-making.