Sebuah rencana cadangan ditulis agar kualitas layanan tetap baik.

to be

Breakdown of Sebuah rencana cadangan ditulis agar kualitas layanan tetap baik.

• sebuah: a
• baik: good
• tetap: still

Questions & Answers about Sebuah rencana cadangan ditulis agar kualitas layanan tetap baik.

What does “sebuah” add? Can I drop it?

It marks a single, countable item, roughly “a/one (unit of).” Indonesian doesn’t require articles, so you can drop it.

• With it: Sebuah rencana cadangan ditulis... = a single backup plan was written.
• Without it: Rencana cadangan ditulis... = neutral/indefinite, also fine.
• To stress the number 1: satu rencana cadangan.
• “A certain/particular”: suatu rencana (cadangan).
• To make it definite: rencana cadangan itu/tersebut.

Is “rencana cadangan” the right order? Why not “cadangan rencana”?

Yes. Indonesian noun compounds are typically head-first: rencana (head: “plan”) + cadangan (modifier: “backup”). Cadangan rencana would sound off or mean something like “a stock of plans.” Synonyms/near-synonyms:

• rencana B (informal)
• rencana darurat
• rencana kontinjensi (formal/technical)

Why passive “ditulis”? How is it different from “menulis/menuliskan/dituliskan/tertulis”?