The document discusses the table of specifications (TOS), which is a plan used by teachers to construct tests. It outlines the topics and number of items or points associated with each topic. The TOS ensures tests match what was taught by solidifying the agreement between teachers and students. It also improves test validity and can enhance student learning by guiding their studying. The document provides steps for constructing a TOS, including determining exam coverage, objectives for topics, duration for each area, and test types for objectives.