From the smell of incense to the taste of the Eucharist, worship can engage all the senses. Objects used during services or fixtures of the church’s design can also be loaded with meaning. While the symbolic meaning of some objects — such as the cross or the star of David — is readily apparent, other objects, such as the bishop’s chair in a Catholic cathedral or the eternal flame in the sanctuary of a Jewish temple, are more obscure. Here is a look at the meanings behind some less familiar symbols at several Billings houses of worship.