Multidimensional space refers to a mathematical concept where more than three dimensions are considered. While we live in a three-dimensional world with length, width, and height, multidimensional space can include additional dimensions that are not directly observable. These extra dimensions are often used in fields like physics and computer science to model complex systems and phenomena. In mathematics, multidimensional space is represented using coordinates. For example, a point in four-dimensional space can be described with four numbers, each representing a different dimension. This concept is essential in areas such as string theory, where additional dimensions help explain the fundamental nature of the universe, and in data analysis, where multiple variables are analyzed simultaneously.