Better name

app/controllers/admin/communication/blocks/headings_controller.rb

@@ -14,7 +14,7 @@ class Admin::Communication::Blocks::HeadingsController < Admin::Communication::B
   end
 
   def new
-    @heading.about = Polymorphic.find params, :about
+    @heading.about = PolymorphicObjectFinder.find params, :about
     breadcrumb
   end
 

app/controllers/admin/communication/blocks_controller.rb

@@ -15,7 +15,7 @@ class Admin::Communication::BlocksController < Admin::Communication::Application
   end
 
   def new
-    @block.about = Polymorphic.find params, :about
+    @block.about = PolymorphicObjectFinder.find params, :about
     breadcrumb
   end
 

app/services/polymorphic.rb → app/services/polymorphic_object_finder.rb

-class Polymorphic
+class PolymorphicObjectFinder
   # @block.about = Polymorphic.find params, :about
   # Rails uses ActiveRecord::Inheritance#polymorphic_name to hydrate the about_type.
   # Example: A Block for a Communication::Website::Page::Home will have about_type = "Communication::Website::Page"