A method is a function that is a member of an object. A property is a value or set of values (in the form of an array or object) that is a member of an object. JavaScript supports four kinds of objects: Intrinsic objects, such as Array and String. Objects you create. Host objects, such as window and document.
Definition of reductive for English Language Learners. : dealing with or describing something complicated in a simple or too simple way.
Definition of redundancy. plural. redundancies. 1a : the quality or state of being redundant : superfluityb : the use of redundant components; also : such componentsc chiefly British : dismissal from a job especially by layoff. 2 : profusion, abundance. 3a : superfluous repetition : prolixityb : an act or instance of needless repetition.