最終

1. Origins, structure, and basic meaning

• Structure: 最終 is read as さいしゅう and is a noun or modifier marking the last stage, round, or version in a sequence or process.
• Basic usage: A final round appears in 今日が最終だ, while a final version appears in 最終案.

2. Common pitfalls and similar expressions

• Independent and compound use
  • It can predicate that something is final or modify a noun as part of a compound.
• Difference from 最後
  • 最後 is the everyday end or last point; 最終 readily marks the last member of an ordered process or sequence.