[{"Bold_text": "noun", "List Items": ["a separable component, frequently one that is interchangeable with others, for assembly into units of differing size, complexity, or function.", "any of the individual, self-contained segments of a spacecraft, designed to perform a particular task:the spacecraft's command module; a lunar module.", "a standard or unit for measuring.", "a selected unit of measure, ranging in size from a few inches to several feet, used as a basis for the planning and standardization of building materials.", "Mathematics.an Abelian group with a set of left or right operators forming a ring such that for any two operators and any group element the result of having the first operator act on the element, giving a second element, and the second operator act on the second element is equal to the result of having a single operator, formed by adding or multiplying the two operators, act on the first element.Compare ring1(def23) ring1(def23).", "Computers.part of a program that performs a distinct function.an interchangeable, plug-in hardware unit.", "part of a program that performs a distinct function.", "an interchangeable, plug-in hardware unit."]}]