The term "aria da chiesa" refers to a type of sacred music that became popular in the Baroque period. In Italian, it means "church aria," and it's typically performed in a liturgical setting. There are numerous synonyms for this term, including "sacred aria," "oratorio aria," and "church song." These terms all refer to music that was created specifically for worship and religious ceremonies. Aria da chiesa typically features a solo voice accompanied by a small ensemble, and it's characterized by its expressiveness and emotional depth. This genre of music is still performed today in churches and concert halls around the world.