HTML (Hypertext Markup Language) is a standard markup language used to create web pages and web applications. It is a simple and powerful language that allows developers to define the structure, content, and presentation of web pages.

HTML is based on a system of tags and attributes that define different elements of a web page. HTML tags are used to mark up different parts of the page such as headings, paragraphs, lists, images, links, and forms. Attributes are used to provide additional information about an element, such as its source or size.

HTML documents are made up of a series of HTML tags, each of which begins with a less-than symbol “<” and ends with a greater-than symbol “>”. Tags can contain other tags and/or text content, and are used to define different types of content, such as headings, paragraphs, images, links, and forms.

HTML documents are created using a text editor or an integrated development environment (IDE). Once created, these documents can be viewed in a web browser, which interprets the HTML code and displays the content of the page to the user.

HTML has evolved over the years, with new versions adding new features and capabilities. The latest version of HTML is HTML5, which includes new elements and attributes for building more complex and interactive web applications.

HTML is a fundamental technology for web development and is often used in conjunction with other technologies such as CSS and JavaScript to create modern, dynamic web pages and applications.