The document discusses different types of investment including economic investment which refers to additions to a country's capital stock, business investment which refers to money put into a private business, and financial investment which involves committing money to assets with the goal of earning returns over time. It notes some key considerations for investment including potential income, capital appreciation in a conservative, aggressive, or speculative manner, forms of return such as cash receipts or capital gains, risk, safety and security of funds, liquidity, and tax implications. The document also provides a diagram showing categories of domestic and global investment such as real assets, securities, deposits, insurance, and various types of cross-border investment instruments.