Coefficient: In mathematics, a coefficient is a constant factor that multiplies or scales another quantity. For example, in 3x^2, 3 is the coefficient.
Polynomial: A polynomial is an expression consisting of variables and coefficients combined using addition, subtraction, multiplication, and non-negative integer exponents.
Term: In mathematics, a term refers to each individual component in an expression separated by + or - signs. For example, in 2x^3 - 5x^2 + 7, there are three terms