いちぶ一部ichibu
1.

A segment or fraction of a whole, often used to indicate a specific portion within a larger context, such as a geographic area or a plan.

2.

A collection or complete unit of a printed work, which may consist of a single volume or part of a series.

3.

An identifiable segment within a continuous narrative or discussion, emphasizing the detail of a particular aspect rather than the entirety.

Example:

一部の人々は日本がすべて一番だと思っている。

いちぶしじゅう一部始終ichibushijuu
1.

A comprehensive account that encompasses all details and events from the initiation to the conclusion of a situation or narrative.

2.

The entire scope of information that provides a thorough understanding of a matter, detailing each relevant aspect without omission.

3.

A complete description that outlines everything that occurred, ensuring that every part of the timeline is covered comprehensively.

Example:

その事故の一部始終を私に話して下さい。

いちぶぶん一部分ichibubun
1.

A small or limited segment that comprises a fraction of a larger whole, often used to refer to something that is not entirely visible or comprehensible.

2.

A specific section within a complete entity, highlighting its status as a subset that may carry distinct characteristics compared to the entirety.

3.

A minor component of a whole, underscoring its incomplete nature or the idea that only a fraction of something is being considered or used.

Example:

その建物の一部分だけが地震で破壊された。

だいいちぶちょう第一部長daiichibuchou
1.

A senior official in an organization, typically responsible for overseeing and supporting the chief officer in administrative and managerial tasks.

2.

A key member of a leadership team, often tasked with coordinating operations and facilitating communication between departments.

3.

An important role that involves guiding and advising on strategic decisions, ensuring alignment with organizational goals.

とうしょういちぶ東証一部toushouichibu
1.

The primary market segment of the Tokyo Stock Exchange where the largest and most financially robust companies in Japan are listed and traded.

2.

A prestigious classification within the Tokyo Stock Exchange that signifies a firm’s adherence to stringent financial and operational guidelines.

3.

The elite tier of the Tokyo Stock Exchange offering access to major public companies, characterized by higher trading volumes and greater investment visibility.

Example:

消息筋によると、○○社は東証一部への上場を準備している。