The term "mapping" refers to a representation or depiction of something in a visual, graphical form. It can be used to describe the process of creating an image, chart, or diagram that shows the spatial distribution of data points or features on a surface. In other words, it is a way of organizing and presenting information visually for better understanding and analysis. Mapping can also refer to the act of assigning values or categories to something, such as in psychological testing or market research.