.bit account, refers to each individual account, e.g. alice.bit, bob.bit.
.bit domain, is another name for a .bit account.
Registration, refers to the process of obtaining a .bit account by paying fee to the .bit contract.
Owner, each account has an owner, who owns the .bit account and can modify the owner and administrator.
Manager, each account has an manager, who owns the .bit account and can modify the account's record.
Record, every data associated with a .bit account, such as a BTC address, a Twitter account,etc., is called a record.
Registration Fee, there is a cost of annual fee for holding a .bit account, which varies for accounts with different character lengths.
Storage Fee, each account's record is stored on chain and requires a fixed size storage space, so a storage fee is required. The storage fee will be refunded when the account is reclaimed.
Inviter, any .bit account can be an inviter. For registration, you can get a discount after filling in an exisiting .bit account as an inviter; Others also can get a bonus when they fill in your .bit account as an inviter while registering for their accounts.
Channel, any product that integrates with .bit registration service (such as a wallet) can be called a channel. If a user completes the registration process through a channel, the channel can earn part of the registration fee.
Registrar, an organization/individual that provides a registration interface and payment methods for users.
On-chain time, the time on the blockchain, which usually lags slightly behind real world time and does not pass as evenly as real world time.