The Wall Street Journal crossword can be very challenging. But we are here to help! Today we will help you find the answer to the clue Collaborates closely, and a literal hint to what each of 16-, 23-, 45- and 58-Across does. After hunting for any other hints and relevant information in the Wall Street Journal crossword puzzle we've found the answer to the clue Collaborates closely, and a literal hint to what each of 16-, 23-, 45- and 58-Across does. The answer to the clue Collaborates closely, and a literal hint to what each of 16-, 23-, 45- and 58-Across does is: