You might want to expand or reduce the scope of your service if it covers several related services (for example, if it’s a tax or grant service).
Efallai y byddwch am ymestyn neu leihau cwmpas eich gwasanaeth os yw’n cynnwys sawl gwasanaeth cysylltiedig (er enghraifft, os yw’n wasanaeth treth neu grant).