HTML stands for Hyper Text Markup Language, used to make web pages and web application. With HTML constructs, images and other objects. HTML provides a means to create structured documents denoting structural semantics for text such as headings, paragraphs, lists, links, quotes and other items.
Web browsers receive HTML documents from a web server or from local storage and render the documents into multimedia web pages. HTML describes the structure of a web page semantically and originally included cues for the appearance of the document.
In HTML operations used some tags, written using angle brackets. Tags such as <img /> and <input /> directly introduce content into the page. Other tags such as <p> surround and provide information about document text and may include other tags as sub-elements. Similarly, <h> tag used for headings and for desired size a number can be assigned with <h> for example <h1> or <h2>.