The phrase "on book" is typically used to describe something that is documented or recorded officially. It refers to information or records that are written or inscribed in a book, thereby providing a concrete and tangible source of reference.
In a literal sense, "on book" denotes information that is meticulously and systematically cataloged or archived in a physical book, such as a ledger, a logbook, or an official record. This can include financial transactions, records of meetings or appointments, or even bookkeeping entries. Being "on book" implies that the information in question is reliable, authentic, and traceable to its source, as it is verifiable through physical documentation.
Figuratively, "on book" is used to emphasize that something is officially recognized or acknowledged, often referring to rules, guidelines, or regulations. For instance, an employee following company policies "on book" means that they are complying with established procedures and protocols. In this sense, being "on book" implies adherence to authorized practices and standards, thereby conforming to expected norms.
The phrase "on book" can also be used in a legal context, where it refers to a formal and legally binding agreement or contract. When someone refers to an arrangement being "on book," it means that it has been documented and recorded according to legal requirements, leaving a paper trail of evidence.
In summary, "on book" denotes information or records that are officially documented, recorded, or recognized, either literally in a physical book or figuratively referring to established rules, guidelines, or legal agreements.
