What packages are included in the Centos 7 package group?

Question

System administration

Good afternoon!
The second day I wander on the Internet, I read the RHEL installation manual, there is no answer anywhere. I want to understand what packages are installed correctly when choosing one or another group of packages during the installation of CentOS 7. In the RHEL installation guide, they said look in repodata/*-architecture.xml on the distribution disk. But on Centos there is something encoded. Then I found the yum grouplist mantra and the continuation of yum groupinfo "Group name ", but for example when

yum groupinfo "Standard Web Server"

coming out

Mandatory groups: 
+base
+core
+web-server

what is included is not clear. How to open these "+" I do not understand. Please tell me where to find thanks.

Answer 1

understood everything, you need yum groupinfo web-server