Target Temperature
For example, you may set the air conditioning at 84-degrees. When the thermostat temperature rises above 84-degrees, the air conditioning will turn on and begin to cool your home to your target temperature of 84-degrees.
Likewise, you may set the heating at 68-degrees. When the thermostat drops below 68 degrees, the heating system will turn on and begin to warm your home to your target temperature of 68-degrees. .
Target temperature is also known as a "set point".