A : an act, function, or watchword that has been agreed on given that the situation of concerted action b : a thing that incites to action Signal is made to hardly ever acquire or shop any sensitive info. Signal messages and calls cannot be accessed by us or other http://lumenstudet.cempaka.edu.my/2014/10/last-note-from-editor-in-chief-of-2014.html?sc=1769312471584#c8829023295400705809