We have heard about primary and secondary markets. Both related to buying shares and here is an explanation on both for your better knowledge.
In the primary market, securities are offered to public for subscription for the purpose of raising capital or fund. is an equity trading venue in which already existing/pre-issued securities are traded among investors.Secondary market could be either auction or dealer market. While stock exchange is the part of an auction market, Over-the-Counter (OTC) is a part of the dealer market.