Likened to a connector, which description best aligns to Cloud Pub/Sub’s role in GCP?

Cloud Pub/Sub takes the existing data processing pipeline and processes it alongside an incoming stream of input data, performs transforms on that data to gain useful or actionable insights, and produces resulting output data.
Cloud Pub/Sub helps capture data and rapidly pass massive numbers of messages securely between other Google Cloud Platform big data tools and other software applications.
Cloud Pub/Sub offers a solution for analyzing big data and can open the door for other Google Cloud Platform big data tools.
Cloud Pub/Sub allows organizations to access their data anywhere, anytime as an innovative storage solution in the cloud, acting as a repository of data collected by other Google Cloud Platform big data tools.

The correct answer is:

Cloud Pub/Sub helps capture data and rapidly pass massive numbers of messages securely between other Google Cloud Platform big data tools and other software applications.