Venture Capital:

Venture Capital: Entrepreneurs need investments for their start-up companies.

The investments or the capital that these entrepreneurs receive from wealthy investors is called Venture Capital and the investors are called Venture Capitalists.

Venture Capital vs angel investor

Both provide money to startup companies, 

venture capitalists are professional investors who invest in a broad portfolio of new companies and provide hands-on guidance and leverage their professional networks to help the new firm. 

Angel investors, on the other hand, tend to be wealthy individuals who like to invest in new companies more as a hobby or side-project and may not provide the same expert guidance. Angel investors also tend to invest first and are later followed by VCs