What does Feed mean?

On Google Search Console it is now coming up with this…...

Crawled - currently not indexed
Status: Excluded

https://www.railwayphotos.co.uk/railway-photo-or-art/feed/

https://www.railwayphotos.co.uk/search/{search_term_string}/feed/rss2/

https://www.railwayphotos.co.uk/how-to-photograph-steam-trains/feed/

https://www.railwayphotos.co.uk/comments/feed/

https://www.railwayphotos.co.uk/feed/...

What does Feed mean?

from Search Engine Optimization https://ift.tt/2PJfdpw
via IFTTT