So ordinary shares is a bit diff from preference shares as ordinary shares the holder is the owner of the company so they have voting rights so each person have depend on how many shares proepropation of shares they have or own so they have power in terms of voting rights. Some people some investors some company may have influential power in terms of company strategic decision making if they hold enough shares to make that decision. Preference shares is just like between common shares and preference, i mean life bond. If the company goes bankrupt after paying all liabilities that the company owe, the preference shareholder will receive the money before the ordinary shareholder rewrite shorten