diff --git a/compute_kernel_writer/src/ITensorArgument.h b/compute_kernel_writer/src/ITensorArgument.h
index 40ad69f..838bd40 100644
--- a/compute_kernel_writer/src/ITensorArgument.h
+++ b/compute_kernel_writer/src/ITensorArgument.h
@@ -35,11 +35,14 @@
 
 namespace ckw
 {
+
+class ITensorComponent;
+
 /** Tensor storage variable */
 struct TensorStorageVariable
 {
-    std::string val{ "" };  /** Tensor storage as a string */
-    std::string type{ "" }; /** Tensor storage type as a string */
+    std::string       val{ "" };                          /** Tensor storage as a string */
+    TensorStorageType type{ TensorStorageType::Unknown }; /** Tensor storage type */
 };
 
 /** Tensor argument base class.
@@ -60,11 +63,21 @@
     {
         return _basename;
     }
+
     /** Method to get the tensor info
      *
      * @return the @ref TensorInfo
      */
-    TensorInfo info() const
+    TensorInfo &info()
+    {
+        return _info;
+    }
+
+    /** Method to get the tensor info
+     *
+     * @return the @ref TensorInfo
+     */
+    const TensorInfo &info() const
     {
         return _info;
     }
@@ -75,38 +88,38 @@
 };
 
 /** Tensor component argument base class */
-class ITensorComponentArgument
+class ITensorComponentAccess
 {
 public:
-    virtual ~ITensorComponentArgument() = default;
-    /** Method to get the tensor component variable as a string
+    virtual ~ITensorComponentAccess() = default;
+    /** Method to get the tensor component variable as a tile.
      *
      * @param[in] x The tensor component to query
      *
-     * @return the tensor component variable as a @ref TileVariable
+     * @return the tensor component variable as a @ref ITile.
      */
-    virtual TileVariable component(TensorComponentType x) = 0;
+    virtual ITile &component(TensorComponentType x) = 0;
     /** Method to get all tensor components needed to access the data in the tensor
      *
      * The tensor components returned by this method must be all passed as kernel argument
      *
-     * @return a vector containing all the tensor components as @ref TileVariable objects
+     * @return a vector containing all the tensor components as pointers to @ref ITensorComponent objects.
      */
-    virtual std::vector<TileVariable> components() const = 0;
+    virtual std::vector<const ITensorComponent *> components() const = 0;
 };
 
 /** Tensor storage argument base class */
-class ITensorStorageArgument
+class ITensorStorageAccess
 {
 public:
-    virtual ~ITensorStorageArgument() = default;
+    virtual ~ITensorStorageAccess() = default;
     /** Method to get the tensor storage as a string
      *
      * @param[in] x The tensor storage to query
      *
      * @return the tensor storage as a @ref TensorStorageVariable
      */
-    virtual TensorStorageVariable storage(TensorStorageType x) = 0;
+    virtual TensorStorageVariable &storage(TensorStorageType x) = 0;
     /** Method to get all tensor storages needed to access the data in the tensor
      *
      * The tensor storages returned by this method must be all passed as kernel argument