Description: Reformatting refers to the process of changing the format of data or graphics for better presentation. This concept is fundamental in programming and data visualization, as it allows adapting information to different contexts and needs. In programming libraries, reformatting involves transforming data structures, such as matrices and arrays, to optimize their readability and utility. For example, one can change the dimensions of an array or convert data types, facilitating the analysis and manipulation of large volumes of information. In data visualization, reformatting may include modifying axes, labels, and styles, ensuring that the visualization is clear and effective. This process not only enhances presentation but can also influence data interpretation, making information more accessible and understandable for the user. In command-line environments, reformatting can refer to modifying command output to make it more readable or useful, which is essential for efficiency in the command line. In summary, reformatting is an essential practice in programming and data visualization that seeks to improve the clarity and effectiveness of presented information.