If you think about some tool or piece of equipment that has names for all the different parts that you had no idea even had names, but the people in that industry that use that tool require those names to make communication amongst themselves easier.

You can think of the "ice" and all of its "parts" important for those that spend much of their livelihood on and around it. If you're hunting or in a life or death situation in this environment, you'll want to be concise with your communication.