The word Dasein refers to the work of German philosopher Martin Heidegger, who argued that human existence is not a detached, speculative phenomenon but rather a grounded experience wrapped up in interactions with the environment.
Dasein literally translated means “here/there-being,” or more commonly, “being-there” or “being-in-the-world.” It emphasizes that Being is intimately connected to its context, and the idea that we cannot conceive of Being as a detached form of existence.
We are not entities simply floating around in space; we are intentional, future-facing beings whose action is mediated by the objects that surround us. Thus, we cannot think about our existence as divorced from experience.
— Thomas Wendt, Design for Dasein