Sense file
How the sense moved
The archive follows the dated record first, then reads the social or rhetorical pressure that hardened, softened, narrowed, or reversed the word.
Older meaning
A ribbon or object placed between book pages to keep one’s place.
Modern meaning
A saved web page or reference marker in software; also a marker between pages of a book.
Research lens
This is almost frictionless metaphor drift. The object disappears, but the act of keeping one's place survives intact.
Meaning trail
Older use
place keeper in a book
The paper object did the physical memory work.
Bridge
mark for return
The action mattered more than the object.
Now
saved digital reference
Software preserved the return gesture without the ribbon.