Buy shares is the esiest way to invest money. By buying an action you get hold of a share in a company's capital.
And you participate in company profits through dividend, if the company decides to distribute it, in case there are any profits.
If the company is at a loss, nothing is received. The shares can be ordinary, privilege and savings. With savings shares you are entitled to a higher dividend than ordinary shares.
But there is no right to vote in ordinary and extraordinary meetings.
With the privileged also but do not have the right to vote in the ordinary assembly, but only in the extraordinary one. Small savers once preferred these last two categories of titles.
Not only because they obtained a higher return, but also because the dividend was cumulative. Cumulation is expected in case of non-distribution of dividends.
Moreover, when the company decided to remove the privileged or savings shares from the market, because it was not very liquid, the shareholder received ordinary shares in exchange.

The secret to making money from buy shares and investing in bonds was summed up by the late father of value investing. "The real money in investing will have to be made – as most of it has been in the past – not out of buying and selling, but out of owning and holding securities, receiving interest and dividends, and benefiting from their long-term increase in value." To be more specific, as an investor in common stocks you need to focus on total return and make a decision to invest for the long-term, which means at an absolute minimum, expecting to hold each new position for five years provided you've selected well-run companies with strong finances and a history of shareholder-friendly management practices.