Drawing is often avoided by beginners, including myself, but eventually you will realize it's uses. Below I have included an example with drawing and with out. You will notice how making an object go to another objects X and Y coordinates will cause it to lag behind as you move. Drawing it will place it over your location.
To draw, you must place a "Draw event" in the object. Inside the Draw event, you place the code to decide what you want drawn. The codes below are just a couple of the drawing functions available.
Drawing draw_text(x,y,"text) - This draws the text specified. To draw a variable, put string(variable) for the text draw_sprite(sprite, subimage, x, y) - Draws the sprite specified draw_sprite_tiled(sprite,subimg,x,y) - Draws the sprite tiled draw_background(back,x,y) - Draws the background draw_background_stretched(back,x,y,w,h) - Draws the background stretched draw_background_tiled(back,x,y) - Draws the background tiled