中軸

1. Origins, structure, and basic meaning

• Structure: 中軸 is read as ちゅうじく and is a noun for the core, central pillar, or organizing axis of a group, activity, or story.
• Basic usage: Taking a key role appears in チームの中軸を担う, while becoming the narrative core appears in 物語の中軸となる.

2. Common pitfalls and similar expressions

• Person and theme
  • It can identify a central player on a team or the main theme supporting a story.
• Difference from 中心
  • 中心 broadly means the center; 中軸 more strongly pictures a structural axis that supports and drives the whole.