Historical Religious Texts

noun an elementary book containing a summary of the principles of the Christian religion, especially as maintained by a particular church, in the form of questions and answers

• The catechism is a summary of the principles of Christian religion, in the form of questions and answers.
• I found the catechism to be a helpful guide in understanding my faith better.
• Some people think catechism is boring, but I actually enjoy studying it.
• Learning the catechism of a new subject can be challenging, but it's worth it in the end.

noun a type of hymn or prayer in the Eastern Orthodox Church

• The acathistoi are hymns of praise used in Orthodox Christian worship.
• Have you ever heard the acathistoi sung during church service?
• I love when the acathistoi are sung - it's so peaceful.
• The acathistoi are like a soothing balm for the soul.