A spreadsheet is an arrangement of cells in columns and rows used to organize, analyze, calculate, and report information, usually in numerical form.
spreadsheets are for: Balancing a checkbook, loans, Calculating grades, budgets
spread sheets are used by and why: business for Payrolls and Financial statements, car owners for car loans.
Column— identified by letters of the alphabet (vertical)
Column A refers to all of the contents in a vertical range of cells in the first column of the spreadsheet.
Row— identified by numbers (horizontal)
Row 3 refers to all of the contents in a horizontal range of cells on Row 3