Conceptual Shift
prev Part of it disappears, part of it remains, and a new one is born.
I wrote here, "It's important that it's X and X'."
There is no clear switching epoch, and both concepts are referred to by the same term because they move smoothly
This is illustrated even more clearly
https://gyazo.com/ba9045303f6e5786b578be1c5f68fe01
At some point the word X meant A or B, not C.
At another point in time, the word X meant B or C and no longer meant A.
shift of concept
A similar example of "concept changes over time" is often "concept refers to expanding
Buzzword is low resolution.
Technology and Buzzwords
Deteriorated copies spread
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