裏側

1. Origins, structure, and basic meaning

• Structure: 裏側 is read as うらがわ and is a noun for the back or reverse side of an object or the area hidden behind a visible front.
• Basic usage: The reverse of paper appears in 紙の裏側, while the space behind a stage appears in 舞台の裏側.

2. Common pitfalls and similar expressions

• Surface and space
  • It can denote the reverse surface of an object such as paper or a working area hidden behind a stage.
• Difference from 表側
  • 表側 is the outward-facing or visible front, whereas 裏側 is the opposite surface or concealed back.