This DisplayString identifies what kind of temperature sensor this is or where it's located, per 'Sensor type,' distinguishing, for example, a CPU sensor from a chassis ambient sensor. This context is what turns a bare temperature reading into an actionable diagnosis, since a hot CPU sensor points to a cooling or thermal-paste issue while a hot ambient chassis sensor points to a room/rack cooling problem instead. Knowing this sensor is labeled CPU rather than Ambient would send the admin toward checking the CPU fan and heatsink, not the server room's air conditioning.