The design of text characters, including their size, weight, and style (e.g., Arial, Times New Roman). Fonts are crucial for readability, accessibility, and aesthetic design in digital and printed content.

The choice of font can greatly affect how readable and accessible text is. Using the right font style and size is key to ensuring that content is clear, especially for users with visual impairments. Understanding how fonts work also helps with designing materials that are consistent and easy to read across various platforms and devices.