Joe plays the piano really well.
Joe plays piano really well.
The former means Joe can play any piano while the latter one means Joe can play only this piano?
Paris is the capital of France.
The capital, London, on the River Thames, is home of Parliament and the 11th-century Tower of London, but is also a multicultural, 21st-century hub for the arts and business in "The City."
The capital is correct while the home not.Why?