It is pretty straightforward.
When it says to 'work 14 rows', just continue in st st without any increases or decreases as you have been. Then you'll do the bindoffs for the shoulders and cast off.
For the front, you follow the pattern directions for the back until you get to the **. For the front, instead of working 14 rows, you'll continue for another 6 in st st until you begin the neck shaping directions. We can cross that bridge when you get to it.