Binance is an exchange for quickly trading and converting between crypto currencies. Binance allows adding funds via wire transfer, credit card, etc and transfer the assets to other exchanges or wallets.
A block explorer is a web tool that allows to browse the blockchain, it’s useful to examine a transaction performed or the contracts we’re interacting to. A link to a specific transaction can be provided to another user for verification purposes as it shows the amount, sender and recipient wallets. Each chain or network has its own block explorer.
Blockchain is the term that describes the relationship between different blocks where data is stored. Each block has a correspondence with prior and next blocks, allowing data to be authenticated and not tampered by a network of hosts that keep a copy of the blockchain, keeping record of all the transactions happening at each block.
A swap is a service that exchanges one asset for another, but sometimes, each asset are on different networks… in this case, a Bridge, allows to move assets from one network to another. Check Swap places for some examples.