The phrase "order of worship" refers to the structure or format of a religious service, outlining the sequence of events or activities that will take place. There are a variety of synonyms that can be used to describe this concept, depending on the religious tradition or context. In some Christian denominations, the order of worship may be called a "liturgy," "mass," or "service." For Jewish services, it may be referred to as a "siddur" or "prayer book." In Islamic contexts, the order of worship is called the "salat" or "namaz." Regardless of the term used, the order of worship is an important aspect of religious practice and helps to create a sense of unity and structure within the community.