in principle
B1CEFR level
20/100Rarity: fairly common
TechnicalRegister
Agreed in general terms, with the specific details still to be settled.
We've agreed in principle, but the exact volumes are still being worked out.
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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