The left-side radical component of a Chinese character (kanji); the 'hen' that contrasts with the right-side 'tsukuri' (e.g., 訁 in 話 is a 'gonben' or speech radical).
「話」の訁は言偏（ごんべん）と呼ばれる偏の一種だ。
The 訁 in 話 is a type of left-side radical called 'gonben' (speech hen).
漢字を学ぶときは偏と旁の違いを覚えると字形が分かりやすくなる。
When learning kanji, remembering the difference between hen (left radical) and tsukuri (right component) makes the character forms easier to understand.
この辞書では偏を示す記号が各字の説明に付いている。
In this dictionary, symbols indicating the hen are included in each character's entry.