The directions in prayer books, formerly printed in red.

【宗】礼拜规程(昔用朱色印)。

Hence, any rule of conduct.

规程。

The title of a law, formerly printed in red.

法典标题(昔用朱色印成)。

Title or heading in a printed work appearing in red to give it prominence.

题目(昔以红色印刷)。

Heading of a section or chapter.

(章节等的)标题。

An established rule, tradition, or custom.

习俗；惯例。