matrix
A2CEFR level
10/100Rarity: common
TechnicalRegister
An organisational structure in which staff report along two dimensions, such as function and project, at once.
In the matrix, each engineer answered to both a product lead and a discipline manager.
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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