I would also like to issue an invitation to you to join us over on the Beach & Yacht Club FAQ thread. Click on the link in my signature.
As others have mentioned, if you want a full balcony, make sure you add a request to your reservation. Only about 50% of the rooms at the BC have full balconies.
Here are a couple of posts from there- one about room requests and one with photos of room views at the Beach Club. Garden view is something green, either a courtyard or woods view usually.
Beach Club Room Views
Room Requests:
How do I make a request on my reservation? How many requests should I make? What should I request?
You should note any requests on your reservation through Disney's CRO (Central Reservation Office) or your
travel agent can add it when your trip is booked, or anytime thereafter. Requests should be made no later than 2 weeks before you will arrive at the resort.
Please remember that requests are not guaranteed.
The fewer requests you have, the more likely there will be a room available that meets your most important preference(s).
Your best bet is to request what you want in words, not room numbers. The chance that a particular room will be available during your trip is not as likely as finding a room that satisfies your room preferences. If you request a specific room, and there is someone staying in the room on the day you check in, the room assigner will have to place you in a different room. If they don't know what your priorities are, they will have trouble giving you another room that has the attributes you want.
When you arrive at the resort for checkin, you can ask before you take your keys if your requests were granted, and if not, see if there is anything available that meets your needs.
There may not be a room available with the request you made when you check in (e.g. full balcony, daybed, king bed). If your request is important enough that you are willing to change rooms later in the week, ask when a room will be available and see if you can arrange to switch rooms.
Requests vary because what is important to one family may be different for another family. Some popular requests are full balcony at the Beach Club, a day bed, close to lobby (or elevator or Stormalong Bay), close to Concierge Lounge (if you are staying club level) or close to EPCOT.
