Professional cartographer Mamata Akella discusses the essential elements of map design, including visual hierarchy, zoom-based styling, color palettes, and interpretation. The conversation includes practical examples and emphasizes the importance of creating engaging and aesthetically pleasing maps. Akella also shares insights on the process of creating a visually stunning map of global shipping traffic using raster data sets. Other topics covered include custom color palettes, importing data into Felt, and the significance of collaboration and learning in cartography.