録画

1. Origins, structure, and basic meaning

• Structure: 録画 is read as ろくが and is a noun for recording moving images with a device; it also combines with する as a verb.
• Basic usage: Recording a presentation appears in 発表会を録画する, while referring to recorded video footage appears in 録画した映像.

2. Common pitfalls and similar expressions

• Distinction from 録音
  • 録画 records moving images, whereas 録音 records sound only.