世界史

1. Origins, structure, and basic meaning

• Structure: 世界史, read せかいし, denotes the school subject or field studying history across world regions and periods.
• Basic usage: It names the school subject selected for study and the field organized in a historical timeline.

2. Common pitfalls and similar expressions

• History across the world
  • It is the subject covering histories across regions and periods, rather than the history of one country alone.