Question

what is different between full stop and point​

Answer 1

The word period was used as a name for what printers often called the "full point" or the punctuation mark that was a dot on the baseline and used in several situations. The phrase full stop was only used to refer to the punctuation mark when it was used to terminate a sentence. This distinction seems to be eroding

Answer 2

(.) Full Stop is a punctuation mark and is used to end a sentence.

(.) A point is a simple mark which does not mean a lot as compared to a full stop.