Show me all the questions concerning idioms and idiomatic expressions

1. What is an idiom?

2. How do idioms differ from literal expressions?
3. Are idioms unique to specific languages or cultures?
4. Can idioms be translated directly?
5. Why are idioms often difficult for language learners to understand?
6. Are idioms used more in spoken or written language?
7. How do idioms contribute to understanding and appreciating a language and its culture?
8. Are idioms used more in informal or formal contexts?
9. What are some common idiomatic expressions in English?
10. How do idioms evolve and change over time?
11. Are idioms universal or do they vary from country to country?
12. How can one effectively learn and use idioms in conversation?
13. What are the benefits of using idioms in everyday language?
14. Are idioms used more in literature or in everyday speech?
15. Can idioms be created spontaneously or do they develop over time?
16. How can non-native speakers effectively incorporate idioms into their speech?
17. Are idioms more prevalent in certain topics or domains?
18. Do idioms have the same meaning in different regional dialects?
19. Can idioms be used to express emotions or feelings more effectively than literal language?
20. How can one explain the meaning of an idiom to someone who is unfamiliar with it?