excel characters are symbols like @ instead of using the word at.
The * and ? and ~ are the three wildcard symbols in Excel.
in excel workbook these are symbols.
256
A possible answer is text, numbers, and special characters.
In Excel, a number can contain be characters
255
8
Text to column
8.43 characters
Like all modern applications Excel has the capability to show things in various colours, so it can display characters in many colours.
255
only the characters in the cell