計画

1. Origins, structure, and basic meaning

• Structure: 計画 is a noun read けいかく, meaning a plan that sets out steps, methods, or timing for achieving something. It appears as 計画する or 計画を立てる.
• Basic usage: It can describe making a family travel plan or changing a work plan to suit the weather.
  • 夏休みの旅行計画を家族で立てた。 says that the family planned a summer vacation trip together; 天候に合わせて作業の計画を変更した。 says that the work plan was changed according to the weather.

2. Common pitfalls and similar expressions

• 計画を立てる
  • 立てる means forming the steps and methods for an intended activity into a plan.
• 計画を変更する
  • に合わせて shows that the plan was changed to match weather conditions.
• 計画 and 予定
  • 計画 includes the method and sequence for reaching a goal, while 予定 mainly denotes a scheduled future event or arrangement.