If it is looked from the period, investment can be divided into two parts namely current investment and long-term investment. Current investment is kind of investment that has a high liquidity and the period is less than a year. And then, long-term investment is a kind of investment in very long period (usually more than a year) and it is aimed to reserve fund.
Some of companies invest to save the excess money or it can be a medium to tighten the business relationship, or getting the profit. Usually, investment has a form like the land, building, gold, diamond, or any other commodities. The aim of investment is different from a company with others. One of the aims is to look for the profitable. But, it is not the only one reason to invest.
There are some evidences of investment. Looking for the stable revenue in certain period, getting the specific fund for instance for the market enlarging, controlling another company from the certain ownership, reducing the competitive with other companies, and keeping the good relationship with another company. There are some choices of investment, it can be in the form of building (it is called as property), or using the banks service like saving, deposit, and selling and buying securities.