Edge

An advantage over an opponent.

"Phil has the Edge in this hand."

Even Money

A bet that pays you back the same amount that you wagered, plus your original wager. Shown as a ratio of 1:1.

"Even Money pays you back what you originally bet."

Expected Win Rate

A percentage of the total amount of money wagered that you can expect to win or lose over time.

"Expected Win Rate should be calculated for you to play your best."