diff --git a/docs/samenvatting.md b/docs/samenvatting.md
index 76e61a4..47581da 100644
--- a/docs/samenvatting.md
+++ b/docs/samenvatting.md
@@ -35,7 +35,7 @@
     defensief
 
 ### orientation
-    direction hoek theta (radialen)
+    orientation hoek theta (radialen)
     rechts: 0 boven: pi/2
     nominaal
     0..2pi
diff --git a/src/Worm.java b/src/Worm.java
index 7ad8be8..8b3c858 100644
--- a/src/Worm.java
+++ b/src/Worm.java
@@ -1,12 +1,15 @@
-import be.kuleuven.cs.som.annotate.*;
-
 public class Worm {
 
+
+    // region properties
+    //===================================================================================
+
+
     // Location
     private double[] location;
 
     // Orientation
-    private double direction;
+    private double orientation;
 
     // shape
     private double radius;
@@ -21,19 +24,26 @@ public class Worm {
     // name
     private final String name;
 
-    public Worm(double[] location, double direction, String name, double radius) throws IllegalArgumentException {
+    //===================================================================================
+    // endregion
 
-        this(location, direction, name, radius, 0.25);
+
+    // region constructor
+    //===================================================================================
+    public Worm(double[] location, double orientation, String name, double radius) throws IllegalArgumentException {
+
+        this(location, orientation, name, radius, 0.25);
     }
 
-    public Worm(double[] location, double direction, String name, double radius, double minRadius) throws IllegalArgumentException {
+    public Worm(double[] location, double orientation, String name, double radius, double minRadius)
+            throws IllegalArgumentException {
 
         if ( location.length != 2) {
             throw new IllegalArgumentException();
         }
 
         this.location = location;
-        this.direction = direction;
+        this.orientation = orientation;
         this.radius = radius;
         this.minRadius = minRadius;
 
@@ -43,9 +53,123 @@ public class Worm {
         }
         this.name = name;
     }
+    //===================================================================================
+    // endregion
+
+
+
+    // region location
+    //===================================================================================
+
+
+    public double[] getLocation() {
+        return this.location;
+    }
+
+    private void setLocation(double[] orientation) {
+        // TODO checking
+        this.location = orientation;
+    }
+    //===================================================================================
+    // endregion
+
+
+    // region Orientation
+    //===================================================================================
 
     /**
+     * @param   orientation
+     *          | ...
      *
+     */
+    public void setOrientation(double orientation) {
+
+        this.orientation = orientation;
+    }
+    public double getOrientation() {
+        return orientation;
+    }
+
+    //===================================================================================
+    // endregion
+
+
+    // region Shape mass/radius
+    //===================================================================================
+
+
+    public double getRadius() {
+        return this.radius;
+    }
+
+    public void setRadius(double radius) throws IllegalArgumentException {
+        if (radius < this.minRadius) {
+            throw new IllegalArgumentException("Radius is smaller than " + this.minRadius);
+        }
+        this.radius = radius;
+        setMass(radius);
+    }
+
+    public double getMinRadius() {
+        return this.minRadius;
+    }
+
+
+    public double getMass() {
+        return this.mass;
+    }
+
+    private void setMass(double radius) {
+
+        final int rho = 1062;
+        double mass = rho * (4 / 3 * Math.PI * Math.pow(radius, 3));
+
+        this.mass = mass;
+        setMaxPoints(mass);
+    }
+
+    //===================================================================================
+    // endregion
+
+
+
+    // region Points
+    //===================================================================================
+
+
+    public int getPoints() {
+        return this.points;
+    }
+
+    public void setPoints(int points) {
+        if (points > this.maxPoints) {
+            points = this.maxPoints;
+        }
+        else if (points < 0)
+            points = 0;
+        this.points = points;
+    }
+    private void setMaxPoints(double maxPoints) {
+        this.maxPoints = (int) Math.round(maxPoints);
+        setPoints(this.points);
+    }
+    private void updatePoints (double value) {
+
+        this.points -= (int) Math.round(Math.toDegrees(value) / 2);
+    }
+
+    //===================================================================================
+    // endregion
+
+
+
+    // region name
+    //===================================================================================
+
+    public String getName() {
+        return this.name;
+    }
+    /**
      * @param name ...
      * @return ...
      */
@@ -66,83 +190,22 @@ public class Worm {
         return -1;
     }
 
-    public double[] getLocation() {
-        return this.location;
-    }
+    //===================================================================================
+    // endregion
 
 
-    /**
-     * @param   direction
-     *          | ...
-     *
-     */
-    public void setdirection(double direction) {
-
-        this.direction = direction;
-    }
-    private void setLocation(double[] direction) {
-        this.location = direction;
-    }
-
-    public double getRadius() {
-        return this.radius;
-    }
-
-    public void setRadius(double radius) throws IllegalArgumentException {
-        if (radius < this.minRadius) {
-            throw new IllegalArgumentException("Radius is smaller than " + this.minRadius);
-        }
-        this.radius = radius;
-        setMass(radius);
-    }
-
-    public double getMinRadius() {
-        return this.minRadius;
-    }
-
-    public double getMass() {
-        return this.mass;
-    }
-
-    private void setMass(double radius) {
-
-        final int rho = 1062;
-        double mass = rho * (4 / 3 * Math.PI * Math.pow(radius, 3));
-
-        this.mass = mass;
-        setMaxPoints(mass);
-    }
-
-    public int getPoints() {
-        return this.points;
-    }
-
-    public void setPoints(int points) {
-        if (points > this.maxPoints) {
-            points = this.maxPoints;
-        }
-        else if (points < 0)
-            points = 0;
-        this.points = points;
-    }
-
-    public String getName() {
-        return this.name;
-    }
-    private void setMaxPoints(double maxPoints) {
-        this.maxPoints = (int) Math.round(maxPoints);
-        setPoints(this.points);
-    }
+    // region move
+    //===================================================================================
 
     /**
      * @param numberSteps ...
      * 		  the number of steps the worm should take
      *
      * @post the new x-coordinate schould be the old one plus the number of steps multiplied
-     * 		 with the distance of a step in the x-direction
+     * 		 with the distance of a step in the x-orientation
      * 		|new.CoordX = CoordX + NumberSteps * distanceX
      * @post the new y-coordinate schould be the old one plus the number of steps multiplied
-     * 		 with the distance of a step in the y-direction
+     * 		 with the distance of a step in the y-orientation
      * 		|new.CoordY = CoordY + NumberSteps * distanceY
      *
      * @throws IllegalArgumentException
@@ -153,32 +216,35 @@ public class Worm {
     	if (numberSteps < 0)
     		throw new IllegalArgumentException();
 
-    	double distanceX = this.radius * Math.cos(this.direction);
-    	double distanceY = this.radius * Math.sin(this.direction);
-    	this.location = new double[] {this.location[0] + numberSteps * distanceX, this.location[1] + numberSteps * distanceY};
+    	double distanceX = this.radius * Math.cos(this.orientation);
+    	double distanceY = this.radius * Math.sin(this.orientation);
+    	this.location = new double[] {
+    	        this.location[0] + numberSteps * distanceX,
+                this.location[1] + numberSteps * distanceY
+    	};
     }
 
     /**
      * @param angleToAdd
-     * 		  the angle that must be added to the direction
+     * 		  the angle that must be added to the orientation
      *
      * @pre the angle to add must be between 0 and 2pi (including 0)
      * 		|0 <= angleToAdd < 2pi
      *
-     * @post the new direction is the old direction plus the given angle
-     * 		|new.direction = direction + angleToAdd
-     * @post the resulting angle (= the new direction) must be between 0 and 2pi (including 0)
-     * 		|0 <= new.direction < 2pi
+     * @post the new orientation is the old orientation plus the given angle
+     * 		|new.orientation = orientation + angleToAdd
+     * @post the resulting angle (= the new orientation) must be between 0 and 2pi (including 0)
+     * 		|0 <= new.orientation < 2pi
      */
     public void turn(double angleToAdd) {
     	assert 0 <= angleToAdd && angleToAdd < (2 * Math.PI);
-    	if (0 <= (this.direction + angleToAdd) && (this.direction + angleToAdd) < (2 * Math.PI))
-    		setdirection(this.direction + angleToAdd);
-    	setdirection((this.direction + angleToAdd)%(2 * Math.PI));
+    	if (0 <= (this.orientation + angleToAdd) && (this.orientation + angleToAdd) < (2 * Math.PI))
+    		setOrientation(this.orientation + angleToAdd);
+    	setOrientation((this.orientation + angleToAdd)%(2 * Math.PI));
     }
 
-    private void updatePoints (double value) {
+    //===================================================================================
+    // endregion
+
 
-        this.points -= (int) Math.round(Math.toDegrees(value) / 2);
-    }
 }