The term 'YOU'RE READING ONE NOW' is a four letter crossword solution which refers to the fact that you are currently reading a sentence. This sentence is an example of a complete sentence, which is a grammatical unit of one or more words that expresses a complete thought and typically consists of a subject and predicate. A complete sentence must contain at least one independent clause, which is a group of words that contains a subject and verb and expresses a complete thought.