Banks are considered one of the most important and oldest intermediary financial institutions. Their main function is to accept current deposits and work on savings for individuals, projects, and public administrations, and to reuse them for their own account in granting credit, debit, and the rest of the financial operations to non-banking economic units. It can be inferred from the definition that commercial banks accept all Types of deposits and thus provide savers with various opportunities to invest their savings. There are current deposits.

Savings are for term and certificates of deposit, which represent a short-term investment opportunity. Commercial banks also work to provide their banking services to all customers, meaning they are not limited to serving certain sectors and not other sectors.

Nor does it apply to a specific category of individuals to the exclusion of other categories. Commercial banks grant different types of loans, whether short, medium, or long-term, which provides various opportunities for borrowers.