A line of cells is a row. The lines that separate rows and help to form the boundary of a cell are called gridlines.
If you are referring to Excel spreadsheets, that is called wrap text.
No.
In Excel, a number can contain be characters
The group of cell to farm a rectangular in ms excel is called list
the active cell
When using Ctrl F in Excel, the 'found' cell is outlined in a green line - it is very hard to see if the cells already have border lines.
In Excel 2003, it was called splitting. To bring them back together it is called merging.
The borders tool
editing
relative cell address
They are called CELLS .
Alignment.