Open “ads.google.com”
Login to Ads manager account.
You come one a page and see this type of bar and there is wrench icon so hover mouse there.
you would find a name Shared
Library and under it there is a name Audience Manager
This is the place where you can
see Audience List, Audience Source and Audience Insight.
By the help of Audience manager,
you can more easily remarket your audience and get better outcome.
A page comes when you click on the Audience manager button
Here you can create different type
of audience for remarketing and can create similar audience based on your
collected user cookies.
Suppose you have clicked on the “+Custom Combination” then you find the page like below and there you see 2 options website visitor and Similar audiences but under those option you can see the names are the same of audience in comparison the working of these audience will be different
From website visitor you can only remarket
those visitors who have visited your website.
From Similar audience you can target similar audience who are closely related with your website visitor, simply people who opts same behaviour and interest like your website visitor already have.
So here you can see the population of audience available as per the channel like Search, Youtube, Display, Gmail with their respective segment like combined list, Similar audience and only website visitor.