Word

1. Using it grammatically (is it a noun, verb, adjective?)

2. knowing the meaning of the word

3. remembering it when you want to use it

4. understad it when you read or hear it

5. pronouncing it correctly

6. spelling it correctly

7. use it the correct situation

8. knowing if it has a positive or negative associations

9. knowing which other words you can use it with (word collocations)