The purpose of the domain name : it serves to identify internet resources such as computers networks and services with a text-based label that is easier to memorize than the numerical addresses used in internet protocols
Explanation:
The domain name .gov.nz is the domain name of the website of the New Zealand government
It is because the exercise game is the suitable game to staying fit. For example wii video game able to give the similar experience to outdoor activities such as playing tennis, kick boxing etc.