Preaching is a form of communication that involves delivering a message to an audience. It can involve a variety of activities, such as enlightening, exhorting, homilizing, lecturing, informing, addressing, advocating, talking, evangelizing, revving, moralizing, orating, and countersigning. Enlightening is the act of providing knowledge or understanding to someone. Exhorting is the act of encouraging or urging someone to do something. Homilizing is the act of delivering a sermon or religious discourse. Lecturing is the act of delivering a speech or teaching a lesson. Informing is the act of providing someone with knowledge or facts. Addressing is the act of speaking to an audience. Advocating is the act of supporting or recommending a cause or policy. Talking is the act of exchanging thoughts or opinions through conversation. Evangelizing is the act of spreading the gospel or Christian teachings. Revving is the act of delivering a sermon or religious discourse. Moralizing is the act of expressing moral principles or judgments. Orating is the act of delivering a formal speech. Countersigning is the act of affirming or confirming something.