What does it mean lobby

well to lobby mean a group of people seeking to influence politicians or public officials on a particular issues  or like a room providing a space out of which one or more other rooms or corridors lead, typically one near the entrance of a public building.

Explanation:

hope this helps

the sentence that avoid faulty coordination is:

culture, which is well represented in philadelphia, plays a major role including theatre, music, and the visual arts.  

faulty coordination occurs when the writer gives equal importance two different ideas (clauses) which in fact are not equivalent. in order to correct a misplaced clause or idea, the writer can place less important or emphatic ideas in a relative clause as in the previous sentence.  

i think the literacy device is "it's frozen head"