The term "doing business as" refers to conducting business under a different name. Any registered name that an organization uses that isn't its formal business name is a DBA. A DBA is also known as a fictitious name, assumed name, or trade name.

A sole proprietorship often referred to as a sole trader or a proprietorship, is an independent business with just one owner responsible for paying income taxes on the company's revenues.

A nonprofit corporation is a corporation that is created to serve the public benefit, such as for philanthropic, religious, academic, or other public service purposes, rather than to make a profit.

A c corporation (or C-corp) is a legal establishment wherein the owners, or stakeholders, are taxed independently from the organization. The most common type of business, C corporations, are taxed on their profits.

In the United States, a limited liability company (LLC) is a corporate structure that shields its owners from personal accountability for its debts or obligations.

An S corporation, often known as an S subchapter, is a corporation that complies with specified Internal Revenue Code regulations.

If you're wondering what incorporation is, you're looking for information on the process of forming a legal framework for an organization.