後者

1. Origins, structure, and basic meaning

• Structure: 後者 is read こうしゃ and means the latter of two things previously mentioned.
• Basic usage: It is used for choosing the bus after train and bus are named, or evaluating the second of two proposals.

2. Common pitfalls and similar expressions

• Choosing between two
  • 後者を選ぶ means choosing the second of two previously stated options.
• Comparing the latter proposal
  • 後者のほうが現実的 judges the latter of two proposals to be more realistic.