Textbook in PDF format Maps are essential for orientation, navigation, and simplifying complex environments, ultimately enhancing our understanding of the world. The visualization of geospatial data supports both laypeople and experts in various aspects of life—whether in personal, professional, or scientific contexts. With the growing availability of maps online, they are increasingly used in daily life on devices such as smartphones and tablets. However, the surge in map creation does not necessarily equate to the production of "good" maps—those that effectively and efficiently fulfill their intended purpose