Thematically, the word "Rune" evokes ancient alphabets and magic, contrasting sharply with "Vector," a term of hard science. This duality is the core of the Citizen Sleeper experience. The RUNE vectorielle represents the Sleeper’s ability to interpret the code of the universe. It is the code that keeps their consciousness intact. Managing this vector likely involves balancing the ship’s energy, the Sleeper’s stability, and the data required to survive.
Here’s a draft review for Citizen Sleeper 2: Starward Vector (keeping in mind that the game’s full release is anticipated; this is written as if reviewing a polished, expanded sequel to the original). RUNE vectorielle du Citizen Sleeper 2 Starward