The clean cases the note handles by itself:
Transliteration variants of the same underlying name. Mohammed/Muhammad. Yuri/Yury. Krishna/Krishnan. The note explains the variants and confirms the underlying name is the same; UKVI accepts it.
Official typos and OCR errors. An older Indian birth certificate prints 'Ramesh Kumar' as 'Rmaesh Kumar' due to a registrar's typo. The note flags the typo as a transcription error in the source, not a different person; the supporting evidence (parents, date) confirms identity.
Different script systems for the same person. A Hong Kong applicant with a Cantonese-Wade-Giles passport name (Wong Siu Ming) and a mainland-Chinese-pinyin birth certificate (Wang Xiaoming) — same Chinese characters, different Latin systems. The note presents the Chinese characters and confirms both Latin renderings are the same name.
The cases where the note isn't enough:
Substantive name change after marriage. The applicant's birth name is Anna Volkova, her UK marriage certificate names her as Anna Smith. UKVI expects the marriage certificate to appear in the file as the bridging document, not just a translator's note explaining the change.
Court-ordered name change. A deed poll, gazette notification or court order issued by the home country needs to appear as a translated document, with the certified translation covering the order text in full.
Religious conversion changing the legal name. The certificate of conversion issued by the relevant authority needs to be in the file as a translated document.
Gender transition. The legal-recognition certificate from the home country, if any, needs to be in the file as a translated document.