Answer: indicator

AnswerCrossword Clue
INDICATORSpeedometer needle.
INDICATORGauge
INDICATORPressure gauge
INDICATORPointer
INDICATORDashboard item
INDICATOREconomist's figure
INDICATORUnemployment rate, e.g.
indicatorA compound that changes color at a specific pH value or in the presence of a particular substance and can be used to monitor acidity, alkalinity, or the progress of a reaction
indicatorA gauge or meter of a specified kind
indicatorA device providing specific information on the state or condition of something, in particular
indicatorA turn signal
indicatorAn animal or plant species that can be used to infer conditions in a particular habitat
indicatorsomeone who or that which indicates
indicatorA thing, esp. a trend or fact, that indicates the state or level of something