single file; Indian file; single column
Primarily a military or formation term for a line of people or things arranged one behind another. Also used in contexts like marching, parades, or data presentation.
The soldiers advanced along the mountain path in single file.
Display the data arranged in a single column.
Compound of 単 (single) + 縦列 (column, file). The reading たんじゅうれつ follows standard on'yomi. The term is primarily used in military and technical contexts.