Domain registration: It refers to buying a new domain name for your website. Domain transfer: It involves moving a domain name between registrars.
Domain registration is for new domain ownership. Domain transfer is moving existing domains between registrars.
Domain registration usually involves an initial purchase fee. Domain transfer may include a transfer fee, depending on the registrar.
Domain registration is instant upon payment. Domain transfer may take several days to complete. It depends on the registrar involved.
Domain registration is used to start a new website or launch a brand. Domain Transfer is used if you are dissatisfied with your current registrar.