所得

1. Origins, structure, and basic meaning

• Structure: 所得(しょとく) means income obtained through work, business, or similar activities.
• Basic usage: The examples use it in contexts of calculating tax and reporting income from a side job.

2. Common pitfalls and similar expressions

• Broader than 給与
  • 給与(きゅうよ) is remuneration received through employment. 所得 is broader and also covers income from sources such as a business.