Indicators meaning : A pointer or index that indicates something. A meter or gauge. The needle or dial on such a meter. Any of many substances, such as litmus, used to indicate the concentration of a substance, or the degree of a reaction. A plant or animal whose presence is indicative of some specific environment. A measure, such as unemployment rate, which can be used to predict economic trends. A turn signal; each of the flashing lights on each side of a vehicle which indicate a turn is being made to left or right, or a lane change etc. A bird, the honeyguide.