a Polynomial classification
One of the forms to classify polynomials is according to the number of terms.
A term is considered as a group of numbers and variables which multiply and/or divide between them.
For example, 4xy is one term
If a polynomial has terms connected with plus signs or minus signs, then it has more than one term. For example, 5yz-5x has two terms.
There are special names for certain number of terms:
Monomials: Only one term
Binomials: Two terms
Trinomials