What Does Spam Mean?

Spam refers to the use of electronic messaging systems to send out unrequested or unwanted messages in bulk.

Techopedia Explains Spam

The most common form of spam is email spam, but the term also applies to any message sent electronically that is unsolicited and bulk. This includes: instant message spam, search engine spam, blog spam, Usenet newsgroup spam, wiki spam, classified ads spam, Internet forum spam, social media spam, junk fax spam, and so on.