Definition of nexus (from on-line Merriam-Webster)
1 : CONNECTION, LINK
the nexus between teachers and students
also : a causal link
the nexus between poverty and crime
2 : a connected group or series
a nexus of theories
a nexus of relationships
3 : CENTER, FOCUS
The bookstore has become something of a nexus for the downtown neighborhood.
— Jane Smiley
The connection is “connection.” Definition 3 relies on the “connections” among people who gather in a place. The series of definition 2 relies on one to one connections but one after another. So, like so many abstractions, it lends itself to an extension of meaning, a metaphor. A physical chain becomes the abstract chain of thought.
Pat’s Polemics
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