What is "commentating"

Usage examples of "commentating".

The media stayed on, huddling under umbrellas and in vans, commentating on the evening’s events.

The media stayed on, huddling under umbrellas and in vans, commentating on the evening's events.

But what I thought you’d like to know is that he said that as it was such an important race he personally would be commentating the finish today, and that he personally would interview the winning jockey afterward.