The term 'Church Organ Features' can refer to the various components of a church organ, such as pipes. Pipes are one of the most important features of a church organ, as they produce the sound when air is forced through them. The pipes come in various sizes and shapes, and can be made from different materials such as wood, metal, or plastic. The size and shape of the pipes determine the type of sound that is produced. Additionally, the number of pipes and their placement within the organ can also affect the sound.