#531 Add comments.

Sources/FiniteElement/Operators/GlobalVariationalOperator/GlobalVariationalOperator.hxx

@@ -390,10 +390,14 @@ namespace HappyHeart
             static_cast<const DerivedT&>(*this).SupplArgumentsComputeEltArray(local_operator,
                                                                               local_felt_space,
                                                                               std::move(additional_arguments));
-        
+
+        // Basically below we call:
+        // local_operator.ComputeEltArray(* argument from tuple *);
+        // Way to do this though is very advanced C++ which is hidden inside function from Tuple namespace.
         Utilities::Tuple::CallMethodWithArgumentsFromTuple<void>(local_operator,
                                                                  &LocalVariationalOperatorT::template ComputeEltArray<LocalVariationalOperatorT::GetMatrixVectorNature()>,
                                                                  compute_elt_array_variadic_arguments);
+        
     }
     
     

Sources/FiniteElement/Operators/GlobalVariationalOperatorInstances/LinearForm/TransientSource.hpp

@@ -119,9 +119,6 @@ namespace HappyHeart
                           double time,
                           const Domain& domain = Domain()) const;
             
-//            void Assemble(double coefficient, GlobalVector& global_vector, double time,
-//                          const Domain& domain = Domain()) const;
-            
             
         private:
             

Sources/FiniteElement/Operators/GlobalVariationalOperatorInstances/LinearForm/TransientSource.hxx

@@ -27,17 +27,7 @@ namespace HappyHeart
                                        domain,
                                        time);
         }
-        
-//        
-//        inline void TransientSource::Assemble(double coefficient,
-//                                              GlobalVector& global_vector,
-//                                              double time,
-//                                              const Domain& domain) const
-//        {
-//            return Parent::AssembleWithVariadicArguments(coefficient, global_vector, domain, time);
-//        }
-//
-        
+                
         
         inline std::tuple<double>
         TransientSource