HTML, Hypertext Markup Language, CSS, Cascading Style Sheets, <!DOCTYPE html>, Defines the document type., <html>, Defines the root of an HTML document., <head>, Defines mostly hidden information about the document, <title>, Defines a title for the document to be displayed in the tab. , < >, Opening tags., </ >, Closing tags., <body>, Defines the document's body, the area where content will be displayed. , <h1> to <h6>, Defines the style/format of headings., <p>, Defines a paragraph., <br>, Defines a single line break., <b>, Defines a part of text to be bold format., <i>, Defines a part of text to be italic format. , <u>, Defines a part of text to be underlined., <img src = > , Defines an image to be imported into the document. , <a href>, Defines the relationship between a document and an internal or external hyperlink., <ol>, Sets a list to be an organised list with numbers., <ul>, Sets a list to be an unorganised list with bullet points., <li>, Defines a list item, <style>, Defines style information for a document (CSS is entered within this tag). ,  Internal Hyperlink, A type of hyperlink on a webpage to another page or resource, such as an image or document, on the same website or domain., External Hyperlink, A hyperlink on a Web page that points to a page on a different website., <font>, Define the format of individual lines of text..

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