ACY Tech: The company which developed the ACY protocol, along with the web interface.
The ACY Protocol: A suite of persistent, non-upgradable smart contracts that together create an automated market maker, a protocol that facilitates peer-to-peer market making and swapping of ERC-20 tokens on the blockchain.
The ACY Interface: A web interface that allows for easy interaction with the ACY protocol. The interface is only one of many ways one may interact with the ACY protocol.
Flash Arbitrage: A multi-route arbitrage program automatically executed within each transaction and built in the ACY Protocol.