In the Spanish period, only the nobility (such as the ') and the rich could afford to have Santo, due to their elaborate ornamentation and design. The procurement and maintenance of Santo is today still considered costly, with the most expensive type of Santo are ones made of ' (ivory). From a religious perspective, the practice of owning and maintaining ' images are often regarded as a mild Catechism for people, especially with regards to the iconographic attributes attached to specific images. A custodian or family of custodians of a ' are termed ' (female: ', plural ""), which in modern Spanish means 'waiting staff'.