You mark up text files with HTML tags so they can be read with browser software. HTML does not describe text or graphic elements nor their exact placement. HTML only tags the file with certain attributes that are later defined by the browser used to view the file. Both the head and body use pieces of code called tags. Tags style text, link files, embedded graphics, inset tables, and create forms.
Tags can be all capital letters or all lower case or a mix.
Some tags can be used by themselves Other tags must be used together. Some tags require an opening tag and an ending tag. Some tags require additional attribute information supplied from the developer. HTML Document . The first part of your HTML document should be the Head Section.