| Term | Definition |
| ambiguous | (adj) Unclear; having more than one interpretation. |
| baffle | (v) To confuse. |
| cogitate | (v) To think carefully about; to ponder. |
| convoluted | (adj) Twisted or complicated. |
| enigma | (n) A mystery; a puzzling situation. |
| insoluble | (adj) Difficult or impossible to solve or explain. Incapable of being dissolved. |
| intricate | (adj) Complicated, complex or difficult to understand. |
| labyrinth | (n) A maze or winding network. |
| quandary | (n) State of uncertainty or puzzlement. |
| tactic | (n) A strategy or maneuver. |