In your view, what word(s) would you use to describe the following?

"a carefully designed API for interacting with piece of data which provides both a consistent technical interface and conceptual understanding of the meaning of said thing"

The reason I ask is because the word I've always used for that is "abstraction", but I'm getting the sense that over-abstracted and over-architected frameworks has soured many people to the word. I want to communicate the idea without conjuring up images of java classes with 90 character names. What would you recommend?