Here's a breakdown:

* Syncline: A fold in rock layers where the youngest layers are in the center of the fold and the oldest layers are on the outside. Think of it like a U-shape, with the youngest rock at the bottom of the "U".

* Anticline: The opposite of a syncline, where the oldest layers are in the center and the youngest are on the outside. This is like an upside-down "U".

Let me know if you have more questions about geology!