| Concepts that spread rapidly through the Internet |
| Concept in fluid dynamics |
| Hugo's wife and daughter |
| Adolescent's misconception? |
| Concept of perfect beauty |
| Concepts |
| KFC's basic concept? |
| Inventive concept |
| Awfully basic concepts |
| Band named after a regressive concept |
| Concepts not meant to be questioned |
| Cameroonian concepts |
| Grammatical concept |
| Fragile" concepts |
| Freudian concepts |
| Jungian concept |
| Snack concept ("It's sweet! It's salty!") that never caught on? |
| Kierkegaardian concept |
| Important concept in calculus |
| Important concept |
| Concept that spreads via the Web |
| Eco-friendly Saab concept car |
| Concept challenging speciesism |
| Concept in astronomy |
| Mathematician whose work pioneered concepts represented by the symbol at the center of this puzzle |
| ___-Magnon man (outdated archaeological concept) |
| Twelve Concepts of Service group |
| Legal concept regarding real property |
| Cannes concepts |
| Nirvana concept |