We've all gone through and continue to go through what you're experiencing so you have a lot of company, if that's any consolation.
Eventually you'll better understand the big words. At the same time you'll increasingly realize that it doesn't matter what the big words mean because the researchers don't understand MS. Their use of the big words only gives them a chance to put their college education to some use.
I think anyone's MS education should begin with an understanding of the history of MS, allergies, asthma and "autoimmune"/inflammatory diseases in general. I just typed "history of multiple sclerosis" into google and tons of interesting information came up and there are also multiple histories that you can buy or borrow from the library. A book that I and lyndacarol like is "Multiple Sclerosis: The History of a Disease" by Jock Murray, and it's available online if you can finagle "netlibrary" access through your state library...local college, etc??
With time, you'll notice that more and more peer review articles are becoming available to the people the information is drawn from and will impact