A published work centered on the concept of illumination, either literal or figurative, can be described using this term. For example, a manual detailing efficient lighting solutions for buildings could be referred to in this manner, as could a philosophical text exploring enlightenment.
Such publications often play a significant role in disseminating knowledge related to advancements in illumination technology or explorations of intellectual and spiritual understanding. Their historical context is intertwined with societal progress, reflecting evolving understandings of light’s practical and metaphorical applications.