Bookend
Definition 1 of 2

Literal Use
Refers to the physical object used to support books.

A pair of colorful bookends kept the encyclopedia set upright.
Metaphorical Use
Used to describe framing elements in narratives or discussions.

The opening and closing scenes of the film acted as bookends, tying the story together.
Colloquial Use
In casual conversations, it might refer to elements that provide structure or balance.

In his presentation, he bookended his main points with two anecdotes.
Compare with
bookcaseshelfbindtable
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