Simplify the following text for a Grade 8 native English-speaking person.
Original: The triple-dot punctuation mark is also called a suspension point , points of ellipsis , periods of ellipsis , or colloquially , dot-dot-dot .
Simplified: It is also called a suspension point , points of ellipsis or periods of ellipsis . When speaking , it can be referred to as `` dot-dot-dot '' .