# ‖ U+2016 DOUBLE VERTICAL LINE

- • used in pairs to indicate norm of a matrix
- → [U+20E6 ◌⃦ COMBINING DOUBLE VERTICAL STROKE OVERLAY](/unicode/U+20E6.md)
- → [U+2225 ∥ PARALLEL TO](/unicode/U+2225.md)
- → [U+23F8 ⏸ DOUBLE VERTICAL BAR](/unicode/U+23F8.md)