Mass communication is the process of exchanging information through mass media to a large audience. It includes a variety of activities such as homilies, LATIN, LITANY, PRAYERS, nital, HOMILY, and SERMON. Homilies are short religious discourses that are usually delivered during a church service. LATIN is an ancient language that was once spoken in the Roman Empire. LITANY is a form of prayer consisting of a series of petitions and responses. PRAYERS are requests for help or expressions of thanks addressed to God or another deity. Nital is a type of acid used in etching metal. HOMILY is a religious discourse similar to a SERMON. SERMON is a speech given by a religious leader to a congregation.