I feel you. Some of the industry specific jargon is ridiculous. On the early plays he was commenting of the defensive coverage--3 high, 4 under, two high split field(one safety on each side). On the final third down he mention a buzz coverage. Buzz refers to the outside lbs taking the flat or short outside zone--usually in a 3 high coverage. Good video below that describes it:
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www.philadelphiaeagles.com]
Not sure you wanted the info but I like nerding out to it.