Funding sources refer to the various means through which individuals, organizations, or projects obtain financial support. These sources can include government grants, private donations, loans from financial institutions, and investments from venture capitalists. Each source has its own criteria and conditions for providing funds, which can affect how the money is used. Different funding sources serve various purposes. For example, nonprofit organizations often rely on philanthropic foundations for grants, while startups may seek funding from angel investors or venture capital firms to grow their businesses. Understanding these sources is crucial for effective financial planning and resource allocation.