[CS5] difficulty in creating a level

The title is a bit vague, but bear with me, I have pictures :stuck_out_tongue: + hello guys!

Now, I’m a complete beginner, I began working with Flash a couple days ago (thus the reason why this question might be answered but I haven’t referred to it - idk what to be looking for 8U) and began working on a platformer today.

I’ve perfected my collision detection by setting a square in the middle of the stage and circling around it, trying to penetrate its foresty interior until I could no more. [image below]

Obviously, I want more than one block to create my levels, but making one huge level in the same layer under the name ā€œfloorā€ (the name I gave the movie clip) will stop my player from moving because the boundries of the object ā€œfloorā€ surround my entire player, immobilizing it. [image below]

Is there any way to fix this? I want to be able to move around and collide with the blocks, not the outline of the entire clip.