The term 'Internet Address Punctuation' refers to the punctuation used in web addresses. The most common punctuation used is the DOT, which is represented by the 3-letter acronym DOT. This punctuation is used to separate different parts of a web address, such as the domain name and the top-level domain. The DOT is also used to separate subdomains from the main domain. Without the DOT, web browsers would not be able to interpret web addresses correctly.