What are tags?

HTML tags are composed of three things: an opening tag, content and an ending tag. Some tags are unclosed tags.
HTML documents contain two things:
content, and tags
When a web browser reads an HTML document, the browser reads it from top to bottom and left to right. HTML tags are used to create HTML documents and render their properties. Each HTML tags have different properties. content Content is placed between tags to display data on the web page.