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.
predicative - of adjectives; relating to or occurring within the predicate of a sentence; `red' is a predicative adjective in `the apple is red'. grammar - the branch of linguistics that deals with syntax and morphology (and sometimes also deals with semantics)