As explained in the article How to create contact segments, segments are user groups with certain characteristics (attributes). They’re useful to segment your audience very simply.
Segments can be created by yourself, but FROGED gives you a bunch of key segments by default that may also be useful.
👉 Value: monitor key user activity in your platform.
Which are these "default segments"?
The ones provided at the very top of the list under Public Segments😀
All: All your contacts
New: Contacts first seen less than 7 days ago