What is the primary function of Hypertext Markup Language (HTML)?

The primary function of Hypertext Markup Language (HTML) is to create documents on the World Wide Web. HTML is a markup language that defines the structure and presentation of content on the internet. It allows developers to specify elements such as headings, paragraphs, links, images, and other multimedia components, enabling the creation of structured documents that can be displayed by web browsers.

By using HTML, content can be organized in a way that is traversable and interactive, allowing users to navigate from one piece of content to another through hyperlinks. This capability is fundamental to the web's design and functionality, as it connects various pieces of information across different sites and resources.