X
| Concept | Definition |
|---|---|
| X-factor | A unique, special, or exceptional quality that sets a product, service, or individual apart from the competition. |
| Xenophobia | A dislike or prejudice against people from other countries or cultures. |
| XML (eXtensible Markup Language) | A markup language that defines rules for encoding documents in a format that is both human-readable and machine-readable. Used for sharing data on the web. |