single source of truth
C1CEFR level
72/100Rarity: rare
TechnicalRegister
A single, authoritative data store or definition that everyone relies on, eliminating conflicting numbers.
Until we build a single source of truth, finance and marketing will keep quoting different revenue figures.
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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