noun
beginning of a line; start of a line
Refers to the first character or position of a line in written text, often contrasted with 行末 (end of a line).
See also: 行末
行頭を揃えてください。
Please align the beginnings of the lines.
このエディタでは行頭に移動するショートカットがあります。
This editor has a shortcut to move to the beginning of a line.