System monitoring refers to the processes and tools used to track, analyze, and manage an app's performance, resource usage, and overall health while it's running. In the context of apps, system monitoring involves keeping an eye on key metrics like CPU and memory usage, battery consumption, network activity, and error rates.
Task manager refers to a tool or feature within an operating system or app that allows users to view, manage, and control running processes or tasks on a device.
Event viewer is a system management tool that allows users to view detailed logs of events or actions that have occurred within an operating system or application.
Performance monitor is a system tool used to track and analyze the performance of various system components, applications, and resources on a device or computer.