separator

A character that separates units of text or numbers. Except for the field separator, separators are set on the Number tab in the Regional Settings section of the Microsoft Windows Control Panel.

• A list separator separates items in a list (0,3,2).
• A thousand separator (or digit grouping symbol) separates groups of three digits in numbers (2,000 or 456,871,029).
• A decimal separator (or decimal symbol) separates the integer part of a number from its fractional part (9.35).
• A field separator separates items in imported or exported text files.