Histogram Raster Within
This tool makes a histogram based on areas (zones) defined by the first input layer.
If Use current map extent is checked, only those features in the input layer within the current map extent will be analyzed. If unchecked, all features in both the input layer and the layer to be summarized will be analyzed, even if they are outside the current map extent.
Choose area layer to make a histogram for
The layer that defines the boundaries of the areas, or zones, that will be histogramed.
Result layer name
This is the name of the layer that will be created in My Content and added to the map. The default name is based on the tool name and the input layer name. If the layer already exists, you will be asked to provide another name.
Using the Save result in drop-down box, you can specify the name of a folder in My Content where the result will be saved.