概観

1. Origins, structure, and basic meaning

• Structure: 概観 is read がいかん and means surveying the overall picture or course of something.
• Basic usage: 概観する is used to survey literary trends, while the noun can refer to an overview included in a report.

2. Common pitfalls and similar expressions

• Compared with 外観
  • 外観(がいかん) means the outward appearance of something. The identically pronounced 概観 focuses on an overall view rather than examining every part in detail.