What are website-safe fonts primarily used for?

Website-safe fonts are primarily used to ensure compatibility across web platforms. These fonts are standardized across various browsers and operating systems, allowing for consistent text display regardless of the user's device or software. This compatibility is crucial because it guarantees that all users experience the website as intended by the designer, without encountering issues such as text rendering differently or certain fonts not displaying correctly.

While other options involve aspects of design and branding, they do not focus on the core purpose of website-safe fonts, which is to maintain uniformity and readability in online content. For instance, creating logos and trademarks typically involves specialized fonts and design elements that might not be web-safe. Similarly, enhancing audio and video content or designing visual graphics rely more on multimedia elements rather than the text display principles guided by website-safe fonts. Therefore, the primary role of these fonts is to facilitate a seamless and professional web experience for all users.