noun
one line; one row
Refers to a single line of text or a single row in a table or list.
この段落は一行だけです。
This paragraph is only one line.
表の一行目を見てください。
Please look at the first row of the table.
Standard kanji spelling; high priority in news and frequency lists.
Numeral variant, common in digital or tabular contexts.
一列 refers to a single physical row or queue of people or objects, while 一行 is used for lines of text or rows in a table.
Compound of 一 (one) and 行 (line/row). The reading いちぎょう follows standard on'yomi.