a point in the execution flow where an aspect can be executed
                                                            
                                                     
                        
                                                
                        
                        
                            a point in the structure or the execution flow of a program that will be altered by aspects 
                                                            
                                                     
                        
                                                
                        
                        
                            a precise point of execution in a program, such as a method found in a class
                                                            
                                                     
                        
                                                
                        
                        
                            a well-defined point in the execution of a program
                                                            
                                                     
                        
                                                
                        
                        
                            a well-defined point in the program flow