What Are the options in the merge and center drop down menu in Excel?

In Excel, the "Merge & Center" drop-down menu offers several options: "Merge & Center," which combines selected cells and centers the content; "Merge Across," which merges selected cells in each row individually; "Merge Cells," which merges the selected cells without centering; and "Unmerge Cells," which separates previously merged cells. These options help in formatting and organizing data visually in spreadsheets.