Currently, the position column is based on the target URL and not the highest ranking URL. Only when you interact with the target URL column can you see the URL that is ranking the highest. It would be easier to understand a website's actual positioning if this was switched: the position is based on the highest ranking URL and the target URL column can be interacted with to see where the target URL stands. It gets confusing when the position says 30 for the target URL, but a different URL is ranking at 4.