けいkei
1.

A cohesive entity composed of multiple elements that interact or are related to each other, often used in the context of natural sciences to describe a system or network.

2.

An organized lineage or ancestry that delineates relationships, often depicted through family trees or diagrams showing connections over generations.

3.

In mathematics, a proposition that is derived directly from another theorem, typically with a high practical utility or relevance in mathematical discussions.

4.

A classification unit in geology representing a specific period during which layers of rock or strata were formed, often denoting significant geological timeframes.

Example:

Windows系OSではアドミニストレーターアカウントがルートに相当する。

かけい家系kakei
1.

A genealogical line that traces the ancestry and descendants of a particular family, encompassing all members from past generations to the present.

2.

The hereditary lineage or bloodline of a family, often used to denote the identity and history shared by its members.

3.

A framework or diagram illustrating the connections and relationships between different generations within a family.

Example:

音楽家の家系のお生まれですか。

けいとう系統keitou
1.

A structured connection characterized by a consistent order and underlying principles, often used to describe an organized sequence of elements or processes within a particular framework.

2.

A lineage or bloodline that signifies familial connections among individuals sharing a common ancestry, often used to emphasize descent and heritage.

3.

A classification of ideas or theories that belong to a shared ideological or philosophical stream, highlighting their common foundational beliefs or principles.

4.

A representation that illustrates the evolutionary relationships among biological species, depicting the branching pathways of lineage descent from a common ancestor.

Example:

システムのこの予測されなかった機能不全は不適切な配線系統によって引き起こされた。

けいふ系譜keifu
1.

A representation or record that outlines the relationships between ancestors and descendants, illustrating the lineage within a family or clan.

2.

The interconnectedness of influences and relationships in the progression of artistic or academic movements, showing how one generation or element has impacted the next.

3.

An organized chart or documentation that details blood relationships within a family, often used for tracing heritage or ancestry.

4.

A description of the historical connections among various individuals or styles in fields such as literature or art, highlighting the evolution and continuity of ideas or traditions.

けいれつ系列keiretsu
1.

A collection of items or entities that are connected through an ordered or systematic relationship, often observed in social, artistic, or scientific contexts.

2.

A structured assemblage where elements are arranged in a specific sequence, indicating a lineage or thematic connection among them.

3.

The organizational framework that exists between companies, such as the relationship between a large corporation and its subsidiary businesses, which can indicate hierarchical or cooperative ties.

4.

A systematic association of data or observations collected over a designated period, often used in analytical or research contexts to show trends or patterns.