Looking at this crude yet effective picture, there are different names for the 'flaps' depending on what they do:

However, they all point away from the cockpit, unlike in the snowspeeder mock-ups. They almost seem like brakes in that case.
Looking at this crude yet effective picture, there are different names for the 'flaps' depending on what they do:

However, they all point away from the cockpit, unlike in the snowspeeder mock-ups. They almost seem like brakes in that case.