The document defines several HTML elements including <button> for buttons, <img> for images, <link> for links, <mark> for highlighted text, <menu> for command lists, <small> for smaller text, <table> for tables, <time> for dates and times, <video> for videos, and <!DOCTYPE> for defining the document type.

1. Matt
Lunsford

2. <button>
•Makes a button

3. <img>
•Defines an image

4. <link>
•Defines a link.

5. <mark>
•Defines highlighted text

6. <menu>
•Defines a list of commands

7. <small>
•Defines smaller text

8. <table>
•Defines a table

9. <time>
•Defines a date or time

10. <video>
•Defines a video

11. <!DOCTYPE>
•Defines the document type