what is the punctuation mark on a period called
A full stop or period. A full stop is also known as a full point, or period. It is a punctuation mark (.) at the end of a sentence. It shows that the sentence has finished. To be a sentence it must have at least one complete clause, with a verb and a subject.
It is a punctuation mark (.) at the end of a sentence. It shows that the sentence has finished. To be a sentence it must have at least one complete clause, with a verb and a subject. When it is used in numbers, it is called a decimal point.