COLUMNS takes just one argument, calledarray, which should be arangeorarray.
Examples
Use the COLUMNS function to get the column count for a given reference or range.
ROW Function
The Excel ROW function returns the row number for a reference.
For example, ROW(C5) returns 5, since C5 is the fifth row in the spreadsheet.
When no reference is provided, ROW returns the row number of the cell which contains the formula.
COLUMN Function
The Excel COLUMN function returns the column number for a reference.
For example, COLUMN(C5) returns 3, since C is the third column in the spreadsheet.
When no reference is provided, COLUMN returns the column number of the cell which contains the formula.