Provide the theme summaries for the following conversation: 

Caroline: I'm on the train, finally :D
Kate: what time will u be here? 
Caroline: about 4, I guess
Caroline: shall I wait for u or take a cab?
Kate: hm.. lemme think...
Kate: I finish classes 3:45 but there might be huge traffic...
Caroline: ok, so cab is a better option, I guess...
Kate: much better ^^
Caroline: where shall we meet?
Kate: at my place. 
Kate: do u remember how to get there?
Caroline: not really...
Kate: ok, here's the map with a shortcut marked in blue<file_other>
Caroline: ok. Thanks <3

Summary: 
Caroline will meet Kate at her place after Kate's classes. Kate has send her directions.