| Definitions | | Headline | The Headlines are descriptive links found in many web sites which publish news. |
| Sources | The web sites RollingHeads spiders to find headlines. |
| Subject | Group of categorized sources. |
| Spider | The act of visiting a web site to search for headlines. |
| New Words | The list of the most used words in the current headlines. Words with 6 or more letters appear in the new list. |
| Selected Word | A new word becomes selected when you press it to see headlines. Another way to select a word is to press the search button and type the word. |
| Hidden Word | A word you don't want to see in the word list |