I understand that your sentence has been taken out from Dictionary.com.
Let`s take the word comprehensive:
1. Meaning [ among others] : of large scope; covering or involving much; inclusive: a comprehensive study of world affairs.-appropriate context
: covering completely or broadly <a comprehensive insurance policy> -grammatical structure [=adjective]
3. a comprehensive study - the word comprehensive is associated with the words defined : a study having a large scope or covering much
However, my example involves more than I have tried to demonstrate or explain to you.
Student or Learner