A dimension, in a general sense, refers to a measurable aspect or feature of an object or concept. In mathematics and physics, dimensions often describe the size or extent of an object in space, such as length, width, and height. For example, a three-dimensional object has three dimensions, while a two-dimensional object, like a square, has only length and width. In other contexts, such as psychology or sociology, dimensions can refer to different aspects of human behavior or social phenomena. For instance, the Big Five personality traits model includes five dimensions of personality: openness, conscientiousness, extraversion, agreeableness, and neuroticism. Each dimension provides insight into individual differences and behaviors.