The battlements are on top of the castle, in between the towers. These walkways have raised walls to prevents soldiers from fall off them or being picked off by archers. The walkways have narrow slots carved out at regular intervals for archers to aim through with getting hit themselves. There are also wider slots at longer intervals with cannons stationed at them. Flush against the outside walls are short, long boxes for soldiers to place their extra weapons in when preparing for a seige.
Battlements, Outside Castle
archer
knight
I am a knight in the royal army. I am strong, brave and fearsome. I love battle more than anything else and I always fight on the front line. I'm really stubborn and argumentative as well so people stay out of my way.
There is nothing I love more than battle! This is one of my favorite places.  I share your passion for combat, knight. One can never prepare enough.  No one loves battle as much as I do.  Have you heard any news of the king's upcoming campaign?  No. Why? Have you? I hear we are about to depart for an invasion across the channel. That is good news. I will be on the frontline fighting for my king. The smell of gunpowder in the morning always excites me!  I prefer long range combat myself.  Long range combat is for cowards who don't like to get their hands dirty.  On the contrary, why rush into battle when we can dispatch the enemy without coming into harm's way.  It's the smartest and most efficient form of combat.  Spoken like a true coward. You do not know battle until you have crushed a man with your bare hands.  The lifes of the infantry are not dispensable, fool. If we can preserve as much of our ranks as possible, it is the intelligent option to pursue at all costs. 