diff --git a/tk_first_steps/feet_classes_mvc.py b/tk_first_steps/feet_classes_mvc.py
index 23d98f9..47d3eb6 100644
--- a/tk_first_steps/feet_classes_mvc.py
+++ b/tk_first_steps/feet_classes_mvc.py
@@ -125,10 +125,19 @@ class FeetToMeter(Tk):
 
         self.title("Feet to Meters")
 
+        # Textvariablen, um Inhalte der Eingabefelder zu kontrollieren
+        self.feet = StringVar()
+        self.meters = StringVar()
+
         # Event Handler (Validator) registrieren
         self.check_entry_wrapper = self.register(self.validator.check_entry)
 
+        # Zugriff auf Stilinformationen
         self.s = ttk.Style()
+        # Zugriff auf Statusleiste
+        self.frame_statusbar = ttk.Frame(self)
+
+        # Aufbau des Fensters
         self.create_styles()
         self.create_widgets()
         self.bind_events()
@@ -157,7 +166,6 @@ class FeetToMeter(Tk):
         self.rowconfigure(0, weight=1)
 
         # Eingabefeld für Länge in feet
-        self.feet = StringVar()
         feet_entry = ttk.Entry(mainframe, width=7, textvariable=self.feet,
                                validatecommand=(self.check_entry_wrapper, '%P'),
                                validate='key')
@@ -173,7 +181,6 @@ class FeetToMeter(Tk):
         ttk.Label(mainframe, text="Meter").grid(column=3, row=2, sticky=W)
 
         # Ausgabefeld für Länge in Metern
-        self.meters = StringVar()
         meters_entry = ttk.Entry(mainframe, width=7, textvariable=self.meters)
         meters_entry.grid(column=2, row=2, sticky=(W, E))
         meters_entry.configure(state='readonly')  # keine Eingabe, aber selektierbar
@@ -188,13 +195,12 @@ class FeetToMeter(Tk):
             child.grid_configure(padx=5, pady=5)
 
         # Statusbar
-
-        self.frame_statusbar = ttk.Frame(self)
-        self.frame_statusbar['relief'] = 'sunken'
-        self.frame_statusbar['height'] = 12
-        self.frame_statusbar['style'] = 'aFrame.TFrame'
-        self.frame_statusbar.grid_propagate(0)  # Feste Größe an Grid-Packer weitergeben
-        self.frame_statusbar.grid(column=0, row=1, sticky=W + S + E)
+        st = self.frame_statusbar
+        st['relief'] = 'sunken'
+        st['height'] = 12
+        st['style'] = 'aFrame.TFrame'
+        st.grid_propagate(0)  # Feste Größe an Grid-Packer weitergeben
+        st.grid(column=0, row=1, sticky=W + S + E)
 
         # Setze Fokus in Eingabefeld
         feet_entry.focus()