indication

something that serves to indicate or suggest; "an indication of foul play"; "indications of strain"; "symptoms are the prime indicants of disease"

the act of indicating or pointing out by name

(medicine) a reason to prescribe a drug or perform a procedure; "the presence of bacterial infection was an indication for the use of antibiotics"

something (as a course of action) that is indicated as expedient or necessary; "there were indications that it was time to leave"

a datum about some physical state that is presented to a user by a meter or similar instrument; "he could not believe the meter reading"; "the barometer gave clear indications of an approaching storm"