N-COUNT
（試卷等開頭的）說明，規定
A rubric is a set of rules or instructions, for example the rules at the beginning of an examination paper.
例句
There was a firm rubric in the book about what had to be observed when interrogating anyone under seventeen.
書中嚴格規定了審訊17歲以下未成年人時應當遵守的事項。