Can someone secretly track your phone?

Can someone secretly track my phone? This question often lingers in the minds of individuals in today's digitally interconnected world. With smartphones being an integral part of our daily lives, storing sensitive information and connecting us to the outside world, the fear of being tracked without consent is understandable. But how realistic is this concern? Are there technologies or methods that could enable someone to surreptitiously monitor a phone's location or activities? What are the privacy settings and protections available to safeguard against such intrusions? And what should one do if they suspect their phone might be under such surveillance? Answers to these questions are crucial in navigating the modern landscape of digital privacy and security.