HTML (Hypertext Markup Language) is a standard markup language used to create web pages and web applications. HTML provides a structure for web content by using tags to define different elements of a web page, such as headings, paragraphs, images, and links. HTML documents are created using a text editor and can be viewed in any web browser. The most recent version of HTML is HTML5, which includes new features such as multimedia support, semantic markup, and improved accessibility. Some basic elements of HTML include <html> - Defines the start and end of an HTML document. <head> - Contains metadata about the document, such as the title and links to external stylesheets. <body> - Contains the main content of the document, such as text, images, and links. <h1> to <h6> - Used to define headings of different levels, with <h1> being the most important and <h6> being the least important. <p> - Used to define paragraphs of text. <img...