Row- and column-major order

Row, Rows, Column and Columns row and column Highlights · Rows run horizontally, typically labeled with numbers, representing individual records in databases · Columns stand vertically, marked by letters, row column 4th column and span 3 columns ; - Cells in rows 2 and 6 have explicit indication number-columns-spanned=1, and thus should not

urowow Column classes indicate the number of columns you'd like to use out of the possible 12 per row So, if you want three equal-width columns across, you can use