Unit Fractions and Whole Numbers

In this video named "Unit Fractions and Whole Numbers", the Unit Fractions have no concern that Objects are divided into equal parts or different, but it concerns that the selected part of all Objects must be one, its mean that the Numerators of all fractions of all Objects must be one. And the Whole Number Fractions means that the Denominators of all Objects or Groups is must be one. It also means that no Objects or Group is divided into parts and Whole Object is selected.