\documentclass[tikz]{standalone}
%\usepackage{tikz}
\usetikzlibrary{
	calc,
%	shapes,fit,
	positioning
}
\usepackage{beamerarticle}

\definecolor{stdcolor}{RGB}{0,164,164}

\begin{document}


\begin{tikzpicture}[scale=0.3,
	dreieck/.style={isosceles triangle, shape border rotate=90,anchor=apex,
			isosceles triangle apex angle=80},
	farbe1/.style={fill=refa!20},
	farbe2/.style={fill=refa!40},
	r/.style={rectangle,minimum width=2cm, minimum height=3cm, label=south:#1,node distance=1cm},
	s/.style={signal,signal from=west,signal pointer angle=120,minimum height=1cm,},
	p/.style={s,minimum width=10cm,node distance=0.25cm,draw},
	sp/.style={s,minimum width=2cm,node distance=0cm},
	a/.style={rectangle,minimum width=2cm, minimum height=3cm,node distance=0.5cm,text width=2cm,align=center},
	]
%\foreach \a/\b/\c in {
%		{Weisungsrecht}/40ex/farbe2,
%		{Betriebliche Übung}/36ex/farbe1,
%		{Arbeitsvertrag}/32ex/farbe2,
%		{Betriebsvereinbarung}/28ex/farbe1,
%		{Tarifvertrag}/24ex/farbe2,
%		{Verordnungen}/20ex/farbe1,
%		{Gesetze}/16ex/farbe2,
%		{Grundgesetz}/12ex/farbe1, 
%		{EU-Recht}/8ex/farbe2}{
%
%	\node (d\b) [dreieck,\c, minimum height=\b,yshift=-5ex] at (0,0) {};
%	\node [above] at (d\b.lower side) {\a};
%};
%\node (v) [r={Vorgang}{20}{0}] {};  
%\node (tv)[r={Teilvorgang}{40},left=of v] {};  
%\node (vs)[r={Vorgangsstufe}{60},left=of tv] {};  
%\node (ve)[r={Vorgangselement}{80},left=of vs] {};




\visible<+->{\node (ga) [a,fill=gray] {Gesamt-\\ablauf};};
\visible<+->{\node (ta) [a,right=of ga,fill=gray!85] {Teil-\\<all>ablauf};};
\visible<+->{\node (as) [a,right=of ta,fill=gray!70] {Ablauf-\\<all>stufe};};
\visible<+->{\node (v) [a,right=of as,fill=gray!55] {Vorgang};};
\visible<+->{\node (tv) [a,right=of v,fill=gray!40] {Teilvorgang};};
\visible<+->{\node (vs) [a,right=of tv,fill=gray!25] {Vorgangs-\\<all>stufe};};
\visible<+->{\node (ve) [a,right=of vs,fill=gray!10] {Vorgangs-\\element};};

%\node (v) [a,fill=gray!55] {Vorgang};
%\node (tv) [a,right=of v,fill=gray!40] {Teilvorgang};
%\node (vs) [a,right=of tv,fill=gray!25] {Vorgangs-\\stufe};
%\node (ve) [a,right=of vs,fill=gray!10] {Vorgangs-\\element};
%
%\node (as) [a,left=of v,fill=gray!70] {Ablauf-\\stufe};
%\node (ta) [a,left=of as,fill=gray!85] {Teil-\\ablauf};
%\node (ga) [a,left=of ta,fill=gray] {Gesamt-\\ablauf};



\coordinate (p1) at ([yshift=1cm]ga.north west);
\coordinate (p2) at ([yshift=5cm]v.north east);


\visible<+->{\path [fill=stdcolor!20,name=p] (p1) rectangle (p2); 

\node [align=center] at ($(p1) !.5!(p2)$) {Makroablaufabschnitte\\\bfseries{\Large{Prozesse}}};
};

\coordinate (a1) at ([yshift=-1cm]v.south west);
\coordinate (a2) at ([yshift=-5cm]ve.south east);

\visible<+->{
\path [fill=stdcolor!20,name=a] (a1) rectangle (a2); 
\node [align=center] at ($(a1) !.5!(a2)$) {\bfseries{\Large{Arbeitssystem}}\\Mikroablaufabschnitte};
};

%\draw [latex--latex] ([yshift=1cm]ga.north west) -- node [above] {MakroablaufabschnitteProzesse} ([yshift=1cm]v.north east);
%
%\draw [latex-latex] ([yshift=-1cm]v.south west) -- node [below] {Mikro} ([yshift=-1cm]ve.south east);
%\node (ga) [p,label=west:Gesamtablauf] {};
%\node (ga1) [sp,fill=stdcolor!10] at (ga) {};
%\node (ta) [p,label=west:Teilablauf,below=of ga] {}; 
%\fill [gray!20] (ga1.south west) -- (ga1.south east) -- (ta.north east) -- (ta.north west); 
%
%\node (ta1) [sp,fill=stdcolor!20] at (ta) {};
%\node (as) [p,label=west:Ablaufstufe,below=of ta] {}; 
%\fill [gray!20] (ta1.south west) -- (ta1.south east) -- (as.north east) -- (as.north west); 
%
%\node (as1) [sp,fill=stdcolor!10] at (as) {};
%\node (v) [p,label=west:Vorgang,below=of as] {}; 
%\fill [gray!20] (as1.south west) -- (as1.south east) -- (v.north east) -- (v.north west);
%
%\node (v1) [sp,fill=stdcolor!20] at (v) {};
%\node (vt) [p,label=west:Teilvorgang,below=of v] {}; 
%\fill [gray!20] (v1.south west) -- (v1.south east) -- (vt.north east) -- (vt.north west);
%
%\node (vt1) [sp,fill=stdcolor!20] at (vt) {};
%\node (vs) [p,label=west:Vorgangsstufe,below=of vt] {}; 
%\fill [gray!20] (vt1.south west) -- (vt1.south east) -- (vs.north east) -- (vs.north west);
%
%\node (vs1) [sp,fill=stdcolor!20] at (vs) {};
%\node (ve) [p,label=west:Vorgangselement,below=of vs] {}; 
%\fill [gray!20] (vs1.south west) -- (vs1.south east) -- (ve.north east) -- (ve.north west);


%\coordinate (l1) at (230:90ex);
%\coordinate (l2) at (230:20ex);
%
%\coordinate (r1) at (310:20ex);
%\coordinate (r2) at (310:90ex);
%
%\draw  [-latex] (l1) -- node [above,sloped] {Verbindlichkeit} (l2);
%\draw  [-latex] (r1) -- node [above,sloped] {Detaillierungsgrad} (r2);
\end{tikzpicture}
\end{document}