egg wombat(egg bluhbluh(whammy spam(even though these names are all made upyou can tell which is function calla method calland call to function inside method the name whammy refers to modulesince you can see it is being imported on the first line the fizzy name has nothing before it and parentheses after itso you know it is function call wombat(is also function callin this case it is constructor function that returns an object (the capital letter that it starts with isn' guarantee that it' constructor function rather than regular functionbut it is safe bet the object is stored in variable named egg the egg bluhbluh(call is method callwhich you can tell because bluhbluh is attached to variable with an object in it meanwhilewhammy spam(is function callnot method call you can tell it is not method because the name whammy was imported as module earlier surface objects and the window surface objects are objects that represent rectangular image the pixels of the surface object can be changed by calling the pygame drawing functions (described later in this and then displayed on the screen the window bordertitle barand buttons are not part of the display surface object in particularthe surface object returned by pygame display set_mode(is called the display surface anything that is drawn on the display surface object will be displayed on the window when the pygame display update(function is called it is lot faster to draw on surface object (which only exists in the computer' memorythan it is to draw surface object to the computer screen computer memory is much faster to change than pixels on monitor often your program will draw several different things to surface object once you are done drawing everything on the display surface object for this iteration of the game loop (called framejust like still image on paused dvd is calledon surface objectit can be drawn to the screen the computer can draw frames very quicklyand our programs will often run around frames per second (that is fpsthis is called the --frame rate|and is explained later in this drawing on surface objects will be covered in the --primitive drawing functions|and --drawing images|sections later this