a line that indicates a boundary 
                                                            
                                                     
                        
                                                
                        
                        
                        
                                                
                        
                        
                            The unmarked marginal line around the outside of the Contest Area, defining the outer edge of the mat.
                                                            
                                                     
                        
                                                
                        
                        
                            An imaginary line of demarcation between two adjoining land parcels, distinguishing a separation of real property rights which may or may not be physically marked.
                                                            
                                                     
                        
                                                
                        
                        
                            The bonds or limits of a pecific parcel of land.