OK, one of these
konaworld.
generically a Bike is a Frame and components fitted onto the frame.
As Others have shown you are free to change the components to suit your preferences ..
If you had gone through A Bike shop, in Person, many of those fit compnents would be changed before you brought it home.
The suspension fork is one component that you have to buy in coordination with a frame designed to have one , which DrFine Is Not.