migrating, especially of people; migratory. noun. 2. a person or animal that migrates. 3. a person who attempts to permanently relocate to a new country, but who may be subject to removal by the government of that country: undocumented migrants; unaccompanied child migrants. Compare immigrant.
Definition: Columns are a fundamental part of any spreadsheet program such as Excel and Google Spreadsheets. Columns run vertically in a worksheet. Each column is identified by a letter in the column header starting with Column A and running through to Column XFD.
In Excel and other spreadsheet applications, the column header is the colored row of letters used to identify each column within the sheet, or workbook. The column header row is located above the row one.