Real-world example: Two developers edit the same line in README.md — one changes “version 1.0” to “1.1,”?

Short answer: nother to “v2.0.” Git will stop and ask you to pick which to keep.

Real-world example (ShopNest)

ShopNest’s team uses GitHub PRs with reviews and CI checks so broken builds never reach production unnoticed.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.