Is being fluent in a language a skill?

Related questions

1. Why is effectiveness and efficiency important management?
2. What is the difference between quality and efficiency?
3. What is efficiency with example?
4. Is proficient better than efficient?
5. Is efficiency or effectiveness more important to organizational performance?
6. Is proficient better than fluent?
7. What comes first efficiency or effectiveness?
8. What's an efficiency?
9. What is social efficiency?
10. What is meant by efficiency in management?

Tags

1. #native
2. #proficiency
3. #essentially
4. #defined
5. #accurate
6. #easily
7. #fluid
8. #fluent
9. #speaker
10. #means
11. #variety
12. #language
13. #conversation
14. #formally
15. #being