This document discusses Lexile levels and what they indicate about reading ability. A Lexile level is a measure of how difficult a text is to comprehend based on its vocabulary, syntax, and structure. The Lexile level of a reader indicates the difficulty of texts they can understand through their own reading ability. The document provides examples of common on-the-job texts and their corresponding Lexile levels to demonstrate that real-world reading demands often exceed the levels of most students and adults.