Seq Num

Logical order within the stream.

Timestamp

Arrival time or client-specifed.

Headers

Name-value pairs, similar to HTTP.

Body

Core content of a record.

Record

The fundamental unit of a stream.

Stream

An unbounded sequence of records. Always durable.

Basin

Namespace for streams, similar to a “bucket” in object storage.

Account

How we identify you. An account owns basins.