a)Use both a verbal and graphical method to explain what a relation is. Use both

a)Use both a verbal and graphical method to explain what a relation is. Use both a verbal and graphical method to explain what a function is. What is the main difference between the two?Given the following Client and Engine type data:Clients = {VRoomHouse MyRides NifftyRods AllFastAuto Bumper2Bumper}Engines = {ZR2 XTurbo Omy442 Rokit350}b)Create a binary relation between Clients and Engines that contains at least 8 ordered pairs given that Clients and Engines are the following:c)Create a function between Clients and Engines that contain 5 ordered pairs.d)Create a digraph that visually shows the function defined above.e)Create a digraph that visually shows the relation defined above.i just need to do b and e