正月

1. Origins, structure, and basic meaning

• Structure: 正月, read しょうがつ, means New Year or the New Year's holiday.
• Basic usage: It appears in seasonal contexts such as family visits and decorations.

2. Common pitfalls and similar expressions

• Time
  • In the first example, 正月は makes New Year the topic and states a plan for that time.
• Noun modification
  • 正月の飾り means New Year's decorations.
  • の links New Year to the decorations.