1stly -- I'd recommend you send people here, to read more detailed explanations:
https://steemit.com/steemit/@moderndayhippie/incase-you-are-confused

Steem is a blockchain platform for other social media apps to be built on. Steemit.com is a decentralized open-source app on the Steem blockchain, run and owned by a private company Steemit Inc. Steemit is a social network, where people reward other people for creating their content. This Steemit vehicle works on the basis of Steem blockchain, which is motor. Steem token is the blood, gasoline.

Steem > Steem-it

People think it all relates to Steemit only, but its far bigger than that! People think Steem is a currency and Steemit is a platform to gain that steem, but its not so.
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