The expression consists of 4 terms, and each term contains 2 factors.
1) In this expression:
ab +cd + ef +gh
We can make the following definitions:
2) Factors are numbers or letters (in algebra) that we can use to multiply themselves and yields another number.
Terms can be defined as letters, numbers within an expression.
3) Hence, In this expression, we have then:
4 terms: ab, cd, ef, and gh
2 factors per term.
The expression consists of 4 terms, and each term contains 2 factors.