What other real-world transactions that you want that is not there. For one,  you can convert to any fiat you want then buy whatever you want.

Away from that, a visit to peer to peer sites like Paxful would show enough example of real world transactions. You can buy gift cards, AliPay payments, PayPal, Amazon cards, iTunes vouchers, phone vouchers, book hotels, flights etc you could even buy a car and get it shipped to you. Virtually every real life transactions bitcoin can be applied you might either go direct, or have to go through an intermediary which is also present if you buying from abroad with your own local currency.