内容

1. Origins, structure, and basic meaning

• Structure: 内容, read ないよう, is a noun for the substance of a text, speech, or activity.
• Basic usage: It can refer to what a letter says or what a course covers.

2. Common pitfalls and similar expressions

• Content of what
  • 手紙の内容 is what is written in the letter.
  • 講座の内容 is what is taught or covered in the course.
  • The noun before の sets the scope of the content.
• An additional recipient
  • 家族にも伝えました is a polite past expression meaning the family was told as well.
  • も adds the family to other recipients.
• Order of actions
  • 申し込む前に means before applying. Checking the content comes before the application.