also: ひととおり
Please look over the materials briefly beforehand.
彼は一通り事情を説明した。
He gave a rough explanation of the situation.
ざっと is an adverb meaning 'roughly' or 'briefly', often used with actions like reading or explaining, similar to 一通り but more colloquial.
Standard kanji spelling; Cross-referenced with points to this form as the usual way to write the word.
Mixed kana-kanji spelling; very rare and essentially a search variant.
Rare kanji spelling; the reading ひとわたり is uncommon and the form is not widely used.
Obscure kanji spelling; not in common use.
Compound of 一 (ひと, 'one') and 通り (とおり, 'way, passage'). The literal sense of 'one pass through' developed into the figurative meaning of doing something in a single sweep, i.e., roughly or briefly.