Virtually everything in computer science is a metaphor. A computer was a human being before it was a machine. A block of memory, an array of values, an index into a structure, most of the vocabulary we use every day is built out of metaphors.
The name, monocle, also further misleads those expecting the physics topic. They actually have a nice logo with a lens and the lambda symbol which is often the symbol used for wavelength.
Imagine my disappointment when I spent the time to set up a Cassandra instance and it did not immediately materialize a demigod woman who knew the answers to everything but was cursed to have no one believe her.
