| A | B |
| King Arthur | son of Uther Pendragon; King of Britain |
| Avalon | the island Arthur is taken to after he is mortally wounded |
| Sir Bedivere | the only knight to survive the battle between Arthur and Mordred |
| Camelot | King Arthur's court/castle/fortress |
| Sir Ector | Arthur's foster father |
| Excalibur | Arthur's sword |
| Sir Galahad | Launcelot's son;succeeds in his quest for the Holy Grail |
| Queen Guinevere | Arthur's wife; had an affair with Launcelot |
| the Holy Grail | the cup used by Christ at the Last Supper; object of quests of the Knights of the Round Table |
| Sir Kay | Arthur's foster brother |
| the Lady of the Lake | gave Arthur his sword |
| Merlyn | Arthur's magician-tutor |
| Sir Modred/Mordred/Medraut | Arthur's illegitimate son by his half-sister; killed Arthur |
| Morgan le Fay | Arthur's half-sister; sorceress |
| the Round Table | a wedding gift from Guinevere's father; seats 150 knights |
| Sir Launcelot du Lac | the greatest knight of the Round Table; had an affair with Guinevere |