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1. Origins, structure, and basic meaning

• Structure: 拓 has 8 strokes, the on-reading たく, and the kun-reading ひらく. 開拓 (かいたく) and 拓本 (たくほん) mean development and an inscription rubbing.
• Basic usage: 開拓 concerns developing land or new sales channels; 拓本 is a rubbing that transfers a surface such as an inscription onto paper.

2. Common pitfalls and similar expressions

• Developing something and making a rubbing
  • 荒れた土地を開拓して describes developing wasteland to make fields. 海外の販路を開拓しようとしている means trying to develop overseas sales channels.
  • 石碑に紙を当てて拓本を取った means placed paper against a monument and made a rubbing. 古い碑文の拓本 is a rubbing of an old inscription, distinct from the original inscribed object.