Hosting plan allows you to assign and restrict server resource to your users, you can create multiple hosting plan in single server.
Please refer to the steps below to create hosting plan on your control panel.
1. Login to WHM.
2. Under "Packages", click Add a Package.
3. Under "Add a Package" page:
Package Name: Enter a package name
Resources: Assign limits to the resources (E.G disk space, bandwidth, etc.)
Settings: Select settings to be assigned to the package
4. Click Add to create the package.
Detailed explanation on each resource can be found on cPanel & WHM documentation.