The global settings controls the general parameters for generation in each layer.
Global Settings contains settings for all objects in the layer
Use Exclusive Heatmap - filter out objects in this layer that are too close to each other
Heat Map Radius - The radius to exclude an object from another when generating
Use Total Bounds - Use an area that contains all lower layers that were generated
Default Collision Type - If an object lacks a collider then this type of collider will be added for the generating process