You learned the basic concept of bitcoin, now we will explain how to buy a bitcoin from the market.
You can buy bitcoin from anywhere from the market or from the exchange. You can but it through a credit card or convert to another cryptocurrency.

Wallet

The word wallet use in the bitcoin. It's a type of bank for the bitcoin where you can store your bitcoin. It's very safety.

Online Wallet

Bitcoin have different types of exchanges. It stores your bitcoin like your regular bank.
Here are some the famous exchange in the world Bitfinex (Hong Kong), Bitstamp (US), Kraken (US), Huobi (China and Hong Kong), OKCoin (China) and BTCC (China).