the FORMAL meaning of concord is a agreement between people or peace
the GRAMMAR meaning of concord is basically the same thing but with gender, people or basically any other GRAMMATICAL that effects the form of words
Answer:
focus on studying, that means they want you to be studying more than anything else, maybe even do advance studying by yourself. Do some chores as well :D when ur old enough like 15 - 16, get a partime job to help your parents. but if it effect your studyin, just focus on your studying
The adjective clause in this sentence is 'who has read thousands of books'. It is an appositive, separated from the rest of the text by commas, and has an adjectival meaning - it modifies the noun, Anthony.