diff --git a/src/index_base.cc b/src/index_base.cc
index c5ab5a4..dcf6c42 100644
--- a/src/index_base.cc
+++ b/src/index_base.cc
@@ -7,6 +7,26 @@ namespace MultiArrayTools
      *  IndefinitIndexBase  *
      ************************/
 
+    size_t IndefinitIndexBase::pos() const
+    {
+	return mPos;
+    }
+    
+    const std::string& IndefinitIndexBase::name() const
+    {
+	return mName;
+    }
+
+    void name(const std::string& str)
+    {
+	mName = str;
+    }
+    
+    void IndefinitIndexBase::name(const Name& nm)
+    {
+	mName = nm.own();
+    }    
+    
     bool IndefinitIndexBase::link(IndefinitIndexBase* toLink)
     {
 	if(toLink->rangeType() != rangeType() and toLink->name() == name()){
diff --git a/src/index_base.h b/src/index_base.h
index 383fdd2..9e7143f 100644
--- a/src/index_base.h
+++ b/src/index_base.h
@@ -5,9 +5,11 @@
 
 #include <cstdlib>
 #include <string>
+#include <vector>
 
 #include "base_def.h"
 #include "range_base.h"
+#include "name.h"
 
 namespace MultiArrayTools
 {
@@ -27,11 +29,12 @@ namespace MultiArrayTools
 	virtual bool operator!=(const IndefinitIndexBase& i) = 0;
 	
 	virtual size_t dim() const = 0;
-	virtual size_t pos() const = 0; // = mPos; implement !!!
-
-	std::string& name();
-	const std::string& name() const;
+	virtual size_t pos() const; // = mPos; implement !!!
 
+	virtual const std::string& name() const;
+	virtual void name(const std::string& str);
+ 	virtual void name(const Name& nm);
+	
 	MultiRangeType rangeType() const = 0;
 
 	virtual bool link(IndefinitIndexBase* toLink);  
diff --git a/src/multi_array.cc b/src/multi_array.cc
index b084ded..c85e315 100644
--- a/src/multi_array.cc
+++ b/src/multi_array.cc
@@ -7,13 +7,40 @@ namespace MultiArrayTools
      *  MultiArray     *	     
      *******************/
 
-    template <typename... Ranges>
-    void giveNames(const std::string& name, /**/);
-
-    template <typename... Ranges>
-    void giveNames(const std::vector<std::string>& names, /**/);
+    namespace
+    {
+	template <typename... Ranges>
+	void giveNames(const std::string& name, /**/);
+	
+	template <typename... Ranges>
+	void giveNames(const std::vector<std::string>& names, /**/);
 
+    }
     /*!!!!  giveNames(...)  !!!!!*/
+
+    template <typename T, class Range>
+    MultiArray(const Range& range) : mRange(&range), mCont(mRange.size())
+    {
+	mInit = true;
+    }
+
+    template <typename T, class Range>
+    MultiArray(const Range& range, const std::vector<T>& vec) : mRange(&range), mCont(vec)
+    {
+	mInit = true;
+	if(mCont.size() > mRange.size()){
+	    mCont.erase(mCont.begin() + mRange.size(), mCont.end());
+	}
+    }
+    
+    template <typename T, class Range>
+    MultiArray(const Range& range, std::vector<T>&& vec) : mRange(&range), mCont(vec)
+    {
+	mInit = true;
+	if(mCont.size() > mRange.size()){
+	    mCont.erase(mCont.begin() + mRange.size(), mCont.end());
+	}
+    }
     
     template <typename T, class Range>
     T& MultiArray<T,Is...>::operator()(const typename Range::indexType& i)
@@ -32,7 +59,7 @@ namespace MultiArrayTools
     MultiArrayOperation<T,Range>& operator()(const NameTypes&... str) const
     {
 	auto index = mRange->begin();
-	// give names... !!!
+	index.name(Name("master", str...));
 	return MultiArrayOperation<T,Range>(*this, index);
     }
 
diff --git a/src/multi_array.h b/src/multi_array.h
index 5398fed..40b674b 100644
--- a/src/multi_array.h
+++ b/src/multi_array.h
@@ -1,23 +1,28 @@
+
 // -*- C++ -*-
 
 #ifndef __multi_array_h__
 #define __multi_array_h__
 
 #include <cstdlib>
+#include <vector>
 
 #include "base_def.h"
 #include "multi_array_operation.h"
+#include "name.h"
 
 namespace MultiArrayTools
 {
-
+   
     template <typename T, class Range>
     class MultiArray
     {
     public:
 
 	DEFAULT_MEMBERS(MultiArray);
-	MultiArray(const Range& range); // !!!!
+	MultiArray(const Range& range);
+	MultiArray(const Range& range, const std::vector<T>& vec);
+	MultiArray(const Range& range, std::vector<T>&& vec);
 	
 	template <class... NameTypes>
 	MultiArrayOperation<T,Range>& operator()(const NameTypes&... str) const;
@@ -27,8 +32,8 @@ namespace MultiArrayTools
 	
     private:
 	bool mInit = false;
-	std::vector<T> mCont;
 	std::shared_ptr<Range> mRange;
+	std::vector<T> mCont;
     };
 
 }
diff --git a/src/multi_range.cc b/src/multi_range.cc
index aa6254d..710425c 100644
--- a/src/multi_range.cc
+++ b/src/multi_range.cc
@@ -51,6 +51,20 @@ namespace MultiArrayTools
 		plus(index, digit, oor - max());
 	    }
 	}
+
+	template <size_t N>
+	void nameTuple(IndexPack& iPack, Name& name)
+	{
+	    std::get<N>(iPack).name(name.get(N));
+	    nameTuple<N-1>(iPack, name);
+	}
+
+	template <>
+	void nameTuple<0>(IndexPack& iPack, Name& name)
+	{
+	    std::get<0>(iPack).name(name.get(0));
+	}
+	
     }
 
     
@@ -92,6 +106,20 @@ namespace MultiArrayTools
 	return evaluate_x<sizeof...(Indices)-1>(in);
     }
 
+    template <class... Indices>
+    void MultiIndex<Indices...>::name(const Name& nm)
+    {
+	name(nm.own());
+	if(nm.size() >= sizeof...(Indices)){
+	    nameTuple<sizeof...(Indices)-1>(mIPack, nm);
+	}
+	else {
+	    Name nm2 = nm;
+	    nm2.autoName(sizeof...(Indices));
+	    nameTuple<sizeof...(Indices)-1>(mIPack, nm);
+	}
+    }
+    
     template <class... Indices>
     size_t MultiIndex<Indices...>::dim() const
     {
diff --git a/src/multi_range.h b/src/multi_range.h
index 3bbd1e7..b722092 100644
--- a/src/multi_range.h
+++ b/src/multi_range.h
@@ -36,6 +36,8 @@ namespace MultiArrayTools
 
 	IndefinitIndexBase& getIndex(size_t n);
 	const IndefinitIndexBase& getIndex(size_t n) const;
+
+	virtual void name(const Name& nm) override;
 	
 	// dimension of MultiRange; includes ALL degrees of freedom
 	virtual size_t dim() const override;
diff --git a/src/name.cc b/src/name.cc
new file mode 100644
index 0000000..2771986
--- /dev/null
+++ b/src/name.cc
@@ -0,0 +1,56 @@
+
+#include "name.h"
+
+namespace MultiArrayTools
+{
+
+    namespace
+    {
+	template <class... NameTypes>
+	void giveNames(std::vector<Name>& nvec, const Name& name1, const Name& name2, const NameTypes&... names)
+	{
+	    nvec.push_back(name1);
+	    giveNames(nvec, name2, names...);
+	}
+
+	void giveNames(std::vector<Name>& nvec, const Name& name)
+	{
+	    nvec.push_back(name);
+	}
+
+	void giveNames(std::vector<Name>& nvec)
+	{
+	    nvec.clear();
+	}
+	
+    }
+    
+    template <class... NameTypes>
+    Name::Name(const std::string& mainName, const NameTypes&... names) : mMain(mainName)
+    {
+	mSub.reserve(sizeof...(NameTypes));
+	giveNames(mSub, names...);
+    }
+
+    const std::string& Name::own() const
+    {
+	return mMain;
+    }
+    
+    const Name& Name::get(size_t n) const
+    {
+	return mSub.at(n);
+    }
+
+    void Name::autoName(size_t newSize)
+    {
+	size_t oldSize = mSub.size();
+	mSub.resize(newSize);
+	if(oldSize < newSize){
+	    for(size_t i = oldSize; i != newSize; ++i){
+		mSub[i] = mMain + to_string( i );
+	    }
+	}
+    }
+    
+}
diff --git a/src/name.h b/src/name.h
new file mode 100644
index 0000000..ff28e7c
--- /dev/null
+++ b/src/name.h
@@ -0,0 +1,34 @@
+// -*- C++ -*-
+
+#ifndef __name_h__
+#define __name_h__
+
+#include <cstdlib>
+#include <string>
+
+#include "base_def.h"
+
+namespace MultiArrayTools
+{
+    class Name
+    {
+    public:
+
+	DEFAULT_MEMBERS(Name);
+	
+	template <class... NameTypes>
+	Name(const std::string& mainName, const NameTypes&... names);
+
+	const std::string& own() const;
+	const Name& get(size_t n) const;
+
+	void autoName(size_t newSize);
+	
+    private:
+	std::string mMain;
+	std::vector<Name> mSub;	
+    };
+
+}
+
+#endif
diff --git a/src/single_range.cc b/src/single_range.cc
index 7013592..03a4d34 100644
--- a/src/single_range.cc
+++ b/src/single_range.cc
@@ -26,7 +26,11 @@ namespace MultiArrayTools
 	return cnt;
     }
 
-
+    template <typename U, IndexType TYPE>
+    size_t SingleRange<U,TYPE>::size() const
+    {
+	return mSpace.size();
+    }
     
     /******************
      *  SingleIndex   *	     
@@ -39,7 +43,7 @@ namespace MultiArrayTools
     }
 
     template <typename U, IndexType TYPE>
-    size_t dim() const
+    size_t SingleIndexBase<U,TYPE>::dim() const
     {
 	return 1;
     }
@@ -51,9 +55,15 @@ namespace MultiArrayTools
     }
 
     template <typename U, IndexType TYPE>
-    void linkTo(IndefinitIndexBase* target)
+    void SingleIndexBase<U,TYPE>::linkTo(IndefinitIndexBase* target)
     {
 	target->link(this);
     }    
 
+    template <typename U, IndexType TYPE>
+    SingleIndex& SingleIndexBase<U,TYPE>::operator=(const U& upos)
+    {
+	setPos( dynamic_cast<SingleRange*>( mRange )->get(upos) );
+    }
+    
 }
diff --git a/src/single_range.h b/src/single_range.h
index abee6d5..de6dbba 100644
--- a/src/single_range.h
+++ b/src/single_range.h
@@ -20,13 +20,10 @@ namespace MultiArrayTools
 
 	DEFAULT_MEMBERS(SingleIndex);
 
-	virtual size_t size() const override;
-	virtual SingleIndexBase& operator=(size_t pos) override;
-	virtual SingleIndexBase& operator=(const U& upos);
+	virtual SingleIndex& operator=(const U& upos);
 	virtual const U& getMetaPos() const;
 
 	virtual size_t dim() const override; // = 1
-
 	virtual void linkTo(IndefinitIndexBase* target) override;
 	
     protected:
@@ -38,6 +35,8 @@ namespace MultiArrayTools
     {
     public:
 	DEFAULT_MEMBERS(SingleRange);
+
+	virtual size_t size() const override;
 	
 	const U& get(size_t pos) const;
 	size_t get(const U& metaPos) const;