'Do' and 'does' are both of those forms with the existing indefinite tense in the verb 'to do.' Which just one you will use will primarily depend on the sentence's subject matter. Their usage is sort of equivalent, apart from a single instance where you can use 'do' and https://financefeeds.com/world-empowers-13m-verified-users-with-mainnet-launch-of-priority-blockspace-for-humans-pbh/