Payment refers to the process of transferring funds from one party to another, typically in exchange for goods or services. In the digital age, payments can be made using various methods, including credit/debit cards, digital wallets, bank transfers, and cryptocurrency. Secure payment gateways ensure the safe handling of sensitive information such as card details, and encrypting data to protect it from fraud. Payment systems can be integrated into platforms or applications, providing a seamless and efficient user experience. Additionally, many systems offer options for recurring payments, invoicing, and financial tracking to help businesses manage flow effectively.