Almost all the scientific fields transfer heritage knowledge on their own way because science itself is a mean of heritage. Knowledge management gives some models and methods for understanding how intangible elements of our culture and heritage can be transferred, including that knowledge which let us understand, respect, and appreciate the tangible and intangible heritage elements. The framework this chapter offers the reader the attributes of knowledge communities, as well as the explanation of the challenges heritage communication have to face: how to keep alive the communication channels and processes. Disappearance of languages, forgotten code and symbol systems, low capacity, and motivation for acceptance of new knowledge, the natural process of forgetting, as well as the authentication of the knowledge owner and the knowledge to be shared are just a few to be discussed to make the readers understood how heritage communication can be effective and efficient.