The term 'PUBLISHES ON A BLOG' can be broken down into two crossword solutions: 'PUBLISHES' and 'POSTS'. 'PUBLISHES' is a verb that means to make something available to the public, usually through print or electronic media. 'POSTS' is a noun that refers to content that is published on a blog, which is an online platform for sharing information. Therefore, the term 'PUBLISHES ON A BLOG' can be defined as making content available to the public by publishing it on an online blog.