Sentence:  The Apostles' <WSD>Creed</WSD> was not the only <WSD>creed</WSD> to come into existence in the period of the early church. However, it is the oldest and simplest <WSD>creed</WSD> of the church. All Christian traditions recognize its authority and its importance as a standard of doctrine. To study the Apostles' <WSD>Creed</WSD> is to investigate a central element of our common Christian heritage. 
Meaning of the word marked with <WSD> tags:  A reading or statement of belief that summarizes the faith it represents; a confession of faith for public use, especially one which is brief and comprehensive.