Problem
Need movie movie clip in the container using keyboard arrows.
Solution
Using event.keyCode for moving our movie clip. And coordinates of the container and movie clip what need to move for control moving.
Detailed explanation

stage.addEventListener(KeyboardEvent.KEY_DOWN, starMoving);
function starMoving(event:KeyboardEvent):void {
trace(event.keyCode);
switch (event.keyCode) {
case Keyboard.UP :
face_mc.y-=10;
if (face_mc.y face_mc.y=container_mc.y; } break; case Keyboard.DOWN : face_mc.y+=10; if face_mc.y=container_mc.y+container_mc.height-face_mc.height; } break; case Keyboard.LEFT : face_mc.x-=10; if (face_mc.x face_mc.x=container_mc.x; } break; case Keyboard.RIGHT : face_mc.x+=10; if face_mc.x=container_mc.x+container_mc.width-face_mc.width; } break; default : break; } } Source file you can find on the attached files. Source: Thank you for reading.
(face_mc.y+face_mc.height>container_mc.y+container_mc.height) {
(face_mc.x+face_mc.width>container_mc.x+container_mc.width) {
movingMovieClipInTheContainer
