| A | B |
| HTML5 | cooperation between the World Wide Web Consortium (W3C) and the Web Hypertext Application Technology Working Group (WHATWG). |
| HTML | Hyper Text Markup Language |
| tags | describe document content |
| HTML documents | web pages |
| HTML element | everything between the start tag and the end tag, including the tags: |
| Attributes | provide additional information about an element. |
| web browser | read HTML documents and display them as web pages. |
| .htm/.html | File extension for saving a HTML file |
| Additive Color | Colors on your computer monitor are displayed by combining red, green, and blue light. |
| Subtractive color system | mixing of colors. In subtractive, the colors mix to create black. |
| Hex color codes | uses the numbers 0 to 9 and the letters A to F to represent color values |