The summarizes a newspaper story in a single phrase. banner sidebar headline subhead

The part of the newspaper that summarizes a newspaper story in a single phrase is a headline. The banner is the main headline which is the center piece of the front page of the newspaper. In this case, the answer to this problem is headline. 

The details about the statues, i believe, are that they're carved from blocks of igneous stone, many of them are partially buried under the ground which to preserve and protect them from the harsh environment on easter island, and many of the facial features have washed away. also, the most well-preserved one is at the british museum in london.these are just guesses from what i can see and what i think i read correctly. i'm sorry i couldn't be more .