Be the Bank
Hold - custody and secure your money for saving
Lend - generate returns by lending your money to protocols or banks
Borrow - pay funds to borrow money from protocols and banks
Stake - special case of lending—lend money to a protocol to generate returns
Spend - use your money to pay for something
Earn - do something of value to get additional money
Trade - exchange your money for something of value - NOT YET
Bet - risk and earn money by making a bet (shorting/longing included)