S: (n) argument, statement (a fact or assertion offered as evidence that something is true) "it was a strong argument that his hypothesis was true"
S: (n) evidence (an indication that makes something evident) "his trembling was evidence of his fear"
S: (n) indication, indicant (something that serves to indicate or suggest) "an indication of foul play"; "indications of strain"; "symptoms are the prime indicants of disease"
S: (n) communication (something that is communicated by or to or between people or groups)