I think there needs to be a way-point system. You know, select a mission to track and it helps you find appropriate area or person. I don't know how many times you have to look for one person that is in a large area and have to go back and forth trying to find him or her
There is some kind of area of interest system in place.
The area where the next topic in the mission objective list is is enclosed by a white circle, oval etc.
Sometimes hard to see, and best seen on the big area map that you can pull up with M.