A. Fund:
A Collective investment scheme or vehicle, often referred to as a fund Mutual fund, a specific type of collective investment in the United States Hedge fund, an investment vehicle open only to investors who are qualified in some way.
http://en.wikipedia.org/wiki/Fund
2. Trust:
A a trust is a relationship whereby property is held by one party for the benefit of another. A trust is created by a settlor, who transfers some or all of his or her property to a trustee. The trustee holds that property for the trust's beneficiaries. Trusts have developed since Roman times and have become one of the most important innovations in property law.
http://en.wikipedia.org/wiki/Trust_law
C. Foundation:
A foundation (also a charitable foundation) is a legal categorization of nonprofit organizations that will typically either donate funds and support to other organizations, or provide the source of funding for its own charitable purposes.
This type of non-profit organization differs from a private foundation which is typically endowed by an individual or family.
http://en.wikipedia.org/wiki/Foundation_... .
