1. Attribute: An addition to an HTML tag that is used to modify its properties.
  2. Container tags: Tag work in pairs usually with some other text or HTML in between them.
  3. Document type declaration (DTD): tells the browser what type of document to expect.
  4. Empty tag: tags that don’t contain text.
  5. HTML: hypertext markup language.
  6. Hypertext: organization of units of information that can be connected with links.
  7. Ordered list: each item has a number instead of a bullet by it.
  8. Source code: HTML source code since it is the source of what is eventually displayed on the screen.
  9. Tags: code that can be used in a Web page to designate attributes of a section of text.
  10. Unordered list: items being listed that aren’t important to be listed in order.
  11. Value: Each attribute has a value, it specifies where the paragraph to be aligned.