冒頭

1. Origins, structure, and basic meaning

• Structure: 冒頭 is read as ぼうとう and is a noun for the opening of a text, story, meeting, or similar sequence.
• Basic usage: A scene at the opening of a novel appears in 小説の冒頭で, while giving a greeting at the start of a meeting appears in 会議の冒頭に挨拶する.

2. Common pitfalls and similar expressions

• Choosing で or に
  • A scene occurring in the opening can use 冒頭で, while an action at the starting point can use 冒頭に.