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
soldier
I'm a soldier. I'm paid to kill. This is a job, nothing more. I'm a mercenary in a lot of ways.
If you say so. The king gave me these maps to look over. Pay attention! We practice archery! My time is valuable and you can look at those maps AFTER we are done. Sir, do you not recognize my armor. I am a soldier, not an archer. WE PRACTICE ARCHERY, in the battle everyone is an archer if needs be! Now enough lip, shoot it. I'm going to need this if you want me to use this bow. After this I think it is very important we go over the maps. The King gave them to me for a reason. Fine! Now, shoot at the designated target. We will start on foot first! How that? Bullseye! Now take a look at this. Hmmmm. Beginners luck. What about this map?? Enough of your nonsense. Now time to try on a horse! But we would have to climb down from the battlements and we are stationed up here. I think he has marked on the maps where He wants us to aim the cannons. Do I care about any of that? Dear lord, man, it is not your job to give me that information neither is it mine to debate such matters with you. I am to make sure you are trained in archery. Now get on the bleeding horse! Ok, I will do as you wish. Where would you like me to shoot? The strawmen. Shoot it while moving. Off you go.