BTC-e API clarifications
Have a look at the documentation (unfortunately it's in russian, but google can translate): https://btc-e.com/api/3/documentation


I think it's finished trades. Look at the Depth method to get open orders https://btc-e.com/api/3/documentation#depth
If you are looking at the btc_usd pair, then the price is in USD, and the amount in BTC