Data quality · The causes · Element
The pattern
Whether the error is systematic or random.
The part
What it is
Systematic errors point in one direction — a field always defaulting, a category always chosen. Those are fixable.
Random errors are noise and are reduced by removing the opportunity rather than by trying harder.
The smallest level
The attributes it carries
Each attribute is one of the framework’s shared types. What a date is, and how it is written, is defined once for the whole model — the note here says what it means in this particular place.