Chased By.... I Don't Know What by Snow Patrol delves into the disorienting and relentless nature of anxiety and existential dread. The lyrics describe a figure who is constantly running from an undefined fear or threat, symbolizing the pervasive and often inexplicable pressures that one faces. Key themes include fear, uncertainty, and the struggle to find peace or clarity amidst chaos. Particularly poignant moments in the song include descriptions of the relentless chase and the feeling of being unable to escape, which resonate with anyone who has experienced similar emotional turmoil.