1. Introduction

2. Observations and Data Reduction

3. Results

4. Analysis  
4.1. Column Density Map  
4.2. Mass  
4.3. Kinematics  
4.4. Energy Balance  
4.5. Probability Density Functions  
4.6. Distribution of the Feedback Processes  
4.7. Fraction of Radiated Energy Converted into Kinetic Energy  
4.8. On Triggered Star Formation in Orion

5. Summary and Conclusions