解説

1. Origins, structure, and basic meaning

• Structure: 解説 is read かいせつ.
• Basic usage: It refers to commentary or an explanation that makes content or a sequence easier to understand.

2. Common pitfalls and similar expressions

• A written explanation
  • 詳しい解説: a detailed explanation displayed beside an exhibit.
• Explaining something aloud
  • 試合の流れを解説した: clearly explaining how a game unfolded.