階層

かいそう

class, level, stratum, hierarchy

JLPT N1

Character Breakdown

Meaning and Usage

"階層" (かいそう) refers to a layer or level within a hierarchy, often used in social, organizational, or data contexts. It implies a structured ranking or classification.

Common Contexts

You will frequently encounter "階層" when discussing social classes, corporate structures, or data organization. For example, "社会の階層" (social classes) or "階層構造" (hierarchical structure).

Collocations and Patterns

  • 階層構造 (かいそうこうぞう): hierarchical structure, used to describe organized layers in companies or systems.
  • 社会の階層 (しゃかいのかいそう): social classes, referring to societal layers.
  • データの階層 (データのかいそう): data hierarchy, common in IT and data management.

Register and Nuance

"階層" is a formal noun often used in academic, business, or technical contexts. It is not typically used in casual conversation.

Common Mistakes

Learners sometimes confuse "階層" with "階段" (stairs) because both relate to levels or steps. Remember, "階層" is abstract, referring to levels in a hierarchy, while "階段" is physical stairs.

Example Sentences

しゃかいのかいそうによってせいかつようしきがことなることがおおい。

Lifestyle often differs depending on the social class.

かいしゃのかいそうこうぞうをりかいすることは、そしきないでのコミュニケーションにやくだつ。

Understanding the company's hierarchical structure helps communication within the organization.

データのかいそうをせいりして、こうりつてきにかんりするひつようがある。

It is necessary to organize data hierarchically for efficient management.