HTML (Hypertext Markup Language) is the standard language used to create web pages and structure the content within them. HTML uses various tags to define the different elements of a web page, such as headings, paragraphs, images, and links. These tags provide instructions to web browsers on how to display the content of the page, including its layout, text formatting and media elements. HTML also allows for the inclusion of other technologies, such as CSS and JavaScript, to add styling and interactivity to web pages. HTML is a fundamental technology for creating web pages and is essential for anyone looking to build or design websites.