The Server Manager is shown below. You use the Server Manager forms to configure the web server. Use the server configuration buttons to configure the server. After clicking on a button, you'll see a list of items on the left. Most of the Server Manager forms configure the entire server.
Some forms can configure the entire server or files or directories the server maintains.
These forms have the Resource Picker, shown below. The Resource Picker lets you specify what resource to configure. Resource Picker Pick a resource from the drop-down list for configuration. Click Wildcard to configure files with a specific extension. In many parts of the server configuration, you specify wildcard patterns to represent one or more items to configure.