You pay $20 for "dr visits"
Your deductible is 500 (per person, dunno what the other /500 and (3) is, per family member i guess)
Your max out of pocket is 1500 (per person, dunno what the /3000(2) is, per family member i guess)
Your Rx's are $10 for generics, $25 for preferred (should have a list of what your insurance company prefers), and $40 for non-preferred (anything not generic and not on the list)
Rx payments are the same as co-pays in that they don't count towards the deductible.
You visit the doc 50 times during the year, it's $20 a pop. So you've spent $1000
Doc says he wants some x-rays, which run $500. Costs you another $500.
Now you've met your $500 deductible. Anything else now (excluding co-pays) is a percentage. That's what the 90/70 is (maybe in network/out of network? dunno offhand). So if you get a $1000 bill for something, they pay $900 of it, and you pay $100. Now you're at $600 out of pocket. Repeat until you hit $1500. After that you pay 0 out of pocket (except for co-pays).
AD&D is accidental death and dismemberment. You meet those criteria and you, or your beneficiary get $15,000.
Pretty good insurance, far better than average.