Communication is a basic social process defined by a significant interaction for reaching understanding, which is a fundamental component of peace. When absent, deficient, interrupted or used only for nurturing disagreements it is highly probable that conflict emerges and, in some cases, also violence, although it is clear that neither conflict nor violence result simply from communicational insufficiencies. But beyond such practical facts, a new look at the concepts of communication is imperative today in order to reexamine its prevailing suppositions because they contain some oppressive factors that are responsible for its mistakes, instrumentation, and downfalls as well as for its frequent and abstract denaturalization or its supposed incapacity as a knowledge horizon. Latin-American communication researches and studies must be open to the critical movements that are taking place in socio-cultural, political, and intellectual spaces, and that invite to a rethinking, from the outside, and as a new opportunity for the building of peace.