escalation path
B1CEFR level
45/100Rarity: uncommon
TechnicalRegister
The predefined route by which an unresolved issue is passed up to higher authority.
If the vendor misses the deadline again, the escalation path goes straight to their account director, not another email to support.
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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