The range is the extent to which you can use your vocabulary. Having an adequate range means that you know more than just basic words in English; that you are able to communicate about popular and well-know topics. It also includes the ability to use synonyms to avoid repetition.

This is a type of cohesive device in which you use pronouns instead of nouns.

For example: The boy and the girl went to the shop where they bought an ice cream each. The boy bought a chocolate flavoured ice cream and the girl bought a caramel one. He asked for his in a cup, she a cone. Afterwards, they went to the park.

he = the boy

she = the girl

they = they girl and the boy