What is difference between cucumber and selenium?

Related questions

1. What is cucumber and gherkin?
2. What is feature in cucumber?
3. Is cucumber a framework?
4. Can cucumber be used for regression testing?
5. What kind of fruit is a cucumber?
6. What kind of food is cucumber?
7. What is the purpose of cucumber options tag?
8. What is the use of cucumber in selenium?
9. What is the difference between ATDD and BDD?
10. What is cucumber Testing Good For?

Tags

1. #testing
2. #feature
3. #define
4. #acceptance
5. #gherkin
6. #framework
7. #cases
8. #behavior
9. #cucumber
10. #whereas
11. #development
12. #language
13. #selenium
14. #differences
15. #driven
16. #focuses
17. #between