Domain Parking is a means to have multiple Domain Names all access the same website.
This is a common means many companies use to have common mispellings of their domain names still get to the right place. Try going to googel.com (note misspelling). You'll find you still end up at google.com (correct spelling). This is Domain Parking in action.
Mispelling control is one of the more common uses of Domain Parking but it can just as well be used to have Small-Biz-Phones.com, Small-Biz-Security.com, and Small-Biz-IT-Services.com all go to one place: Small-Biz-Technology.com.
Keep in mind it's still required you register/own the Parked Domains and have their Domain Name Servers pointing to your web hosting account.
(And yes- that mispelling was intentional :)
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