The Process Path names the path to the application that created the selected window. The Loaded Modules section lists the Dynamic Link Libraries currently loaded by the application.
The Kill Thread button lets you forcefully end the thread that owns the window you acquired. The Kill Process button lets you forcefully end the process that owns the window you acquired. Pay attention to the warning message that appears, because it can be hazardous to force a process or thread to end, especially if it is a system process or thread.