In typography, a line set can refer to baseline-aligned guides that organize columns and grids

https://wiki.gorearaucania.cl/mediawiki/index.php?title=Line_Set_Length_Rules_for_Efficient_Mini_Split_Performance

In typography, a line set can refer to baseline-aligned guides that organize columns and grids, ensuring consistent rhythm, leading, and optical balance when mixing headings, body text, and captions.