noun
Refers to the conventional spelling system of a language; a technical term used in linguistics and language education.
日本語の正書法は、漢字と仮名の使い分けが重要です。
In Japanese orthography, the distinction between kanji and kana is important.
表記法 is a broader term for notation or transcription methods, not limited to spelling conventions.
Compound of 正 (correct) + 書 (writing) + 法 (method, law), literally 'correct writing method'. A calque from Western linguistic terminology.