This is the overview; it's high level and informative. https://arrow.apache.org/overview/ https://arrow.apache.org/overview/ It boils down to a standard column

This is the overview; it's high level and informative. https://arrow.apache.org/overview/ https://arrow.apache.org/overview/ It boils down to a standard columnar format usable from disk or memory that is useful for data interchange between languages or frameworks, as well as any use case where a columnar format alone has benefits.