These are in-game, collectible texts that expand upon the narrative of the game, its characters, its universe, and its history. They are often presented as excerpts, documents, or personal accounts, offering a deeper understanding beyond the main storyline. For example, a collection might reveal the origins of a specific enemy faction or the motivations of a key character.
Their significance lies in providing dedicated players with a wealth of supplementary information, enriching their overall experience. They offer nuanced perspectives, fill in narrative gaps, and often hint at future plot developments. Historically, they have served as a crucial bridge, connecting disparate storylines and fostering community engagement through speculation and analysis of the presented details.