This is how you can easily explain how $BTC works to people who don't know what it is:

Blockchain = Cash and Valuable Vehicle

Bitcoin = Virtual Cash

Miner = Driver & Security

Block = Vehicle Cash Load

Reward per Block = Cash paid to Driver & Security

Adress = Virtual Bank

Bitcoin works like a Security Carrier used by banks and jewelry shops.

The Miners that are the Drivers and security uses the blockchain, that is their vehicle, to pickup a lot of Bitcoins that are Virtual Cash from senders addresses and move them to recipient addresses. Once all of the transportation is done from the Block they recieve a payment in form of bitcoins Virtual Cash that they can convert into real money using an exchange.