threshold
A2CEFR level
15/100Rarity: common
TechnicalRegister
The point or level at which a defined response should be triggered.
If his score crosses that threshold, the protocol says to call the outreach team.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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