Visual encoding is the process of transforming information into a visual format that can be easily understood and interpreted. This technique is commonly used in data visualization, where complex data sets are represented through charts, graphs, and images. By using colors, shapes, and sizes, visual encoding helps to highlight patterns and trends, making it easier for people to grasp the underlying information quickly.
For example, when presenting sales data, a bar chart can visually represent different product categories, allowing viewers to compare their performance at a glance. This method enhances comprehension and retention, as our brains are naturally wired to process visual information more efficiently than text alone.