Definitions:
an exchange of diverging or opposite views, typically a heated or angry one

a reason or set of reasons given in support of an idea, action or theory

an independent variable associated with a function or proposition and determining its value. for example, in the expression y = f(x₁, x₂), the arguments of the function f are x₁ and x₂, and the value is y.

any of the noun phrases in a clause that are related directly to the verb, typically the subject, direct object, and indirect object.

a summary of the subject matter of a book.