Your domain name is your identity on the internet. But a domain name also plays a very important role in findability in search engines. Domain names that contain (parts of) keywords do well in search engines. If your core business is 'flowers' then it is not unwise to include the word 'flowers' in the domain name.
With us it is possible to approx. 200 different domain name extensions to register (.nl, .be, .com etc). Yet it is not always wise to cover everything; a well-chosen domain name alone is not enough. Get advice on what the best name can be for your company or institution. Your domain name is the starting point of every new project.