desk

1. Origins, structure, and basic meaning

• Structure: 机 has 6 strokes and refers to a desk used for writing or placing things.
• Basic usage: The standalone word 机 is read つくえ, while 机上 is read きじょう.

2. Common pitfalls and similar expressions

• A desktop and armchair discussion
  • 机上に置いた means placing something on a desk and indicates a physical location.
  • 机上の議論 is an armchair discussion detached from conditions in the field. Here, 机上 suggests that the discussion lacks sufficient grounding in practical experience.