Definition of "Indication" :
noun: a datum about some physical state that is presented to a user by a meter or similar instrument
"The barometer gave clear indications of an approaching storm."
noun: something (as a course of action) that is indicated as expedient or necessary
"There were indications that it was time to leave."
noun: something that serves to indicate or suggest
"An indication of foul play."
noun: (medicine) a reason to prescribe a drug or perform a procedure
"The presence of bacterial infection was an indication for the use of antibiotics."
noun: the act of indicating or pointing out by name