UI is the point when interactions between machines and people happen. It lays down the parameters of a user's interaction with a machine.
Falling Knife
The term falling knife (also known as "Catching a Falling Knife" or "Catching the Bottoms") refers to the action of buying an asset which is rapidly declining in price.
Governance Token
Developers design governance tokens to let token holders influence the direction of a protocol.
DeFi
a movement promoting substitutes for conventional, centralized financial services.