This video explains what NFT minting, whitelisted NFT mint, public mint and floor sales mean.
For context, NFT mints refers to an NFT being minted and saved on the Blockchain. The first set of people to buy this collection at the lowest rate are grouped as those in the whitelisted spot (these people are making money with NFT).
However, the public mint refers to when a collection is launched and sold to the public usually at a higher rate than whitelist collectors.
While floor price is the minimum amount required to spend to own an NFT or become a holder of an NFT project.