Data is processed on the user’s device where possible, for example, in creating predictive traffic routing which displays estimated travel time on a device’...

https://www.apple.com/jp/privacy/docs/Location_Services_White_Paper_Nov_2019.pdf

Safari Privacy Overview 
 Safari Privacy Overview Learn how the Safari web browser protects your privacy. November 2019 Introduction 3 .......................

https://www.apple.com/jp/safari/docs/Safari_White_Paper_Nov_2019.pdf