| Answer | Crossword Clue |
|---|---|
| OBSESS | Focus on one topic |
| HARP | Talk too much on one topic (with "on"). |
| LENS | It enables one to focus |
| HEIR | Focus of one who's willing? |
| PARABOLA | One with a focus in mathematics |
| EGOTIST | One whose favorite topic is oneself |
| SEGUE | Smooth transition from one topic to the next |
