What are terminals and nonterminals in grammar?

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Tags

1. #nonterminal
2. #terminals
3. #nonterminals
4. #formal
5. #disjoint
6. #production
7. #groups
8. #language
9. #syntactic
10. #symbols
11. #variables
12. #grammar
13. #according
14. #rules
15. #terminal
16. #particular
17. #defined
18. #replaced
19. #elementary