When I open the resources panel of Chrome's dev tools, I see a ton cookies set across many domains. I understand the definitional difference between a first party and third party cookie, but I'm still understanding what it means. 

How does Chrome show 1st party cookies vs 3rd party cookies? When I visit Vice.com, for instance, I see many domains in the left hand column (www.vice.com, platform.tumblr.com, etc); if I select www.vice.com on the left hand column, I see many more domains (.google.com, .ads.pubmatic.com, .scorecardresearch.com, etc).

How should I interpret this? 

![enter image description here](https://i.stack.imgur.com/jZBbI.jpg)