Superstrata is the plural form of superstratum, which means a layer or a level above another layer.
Superstrata can make people think of layers, levels, or things on top of other things.
Examples:
The superstrata of the cake was made of chocolate.
There are many superstrata in the atmosphere.
The superstrata of the ocean are full of life.
The superstrata of the sandwich were very tasty.
In the land of giants, the superstrata are huge!
The superstrata of the building were very tall.