A company is an organization which operates a business in one of these forms: A business which is owned by a single individual who is entitled to all of the profits and assumes all liabilities of the business is called a sole proprietorship. When two or more parties share the profits and liabilities of a company it is called a partnership. Partnerships usually are "limited partnerships" in which a managing partner runs the day-to-day business while the limited partners are not involved in management decisions and enjoy limited liability. Sole proprietorships and partnerships usually adopt a company name known as a DBA or "doing business as" that company name. As business grows, the principals might want to apply for a corporate charter. The corporation formed in this process is considered to be a separate individual by law and usually provides certain tax relief, expense deductions, and liability protection to the principals involved. Corporations may be privately or publicly owned.