Step-by-step explanation:
1) When we invest in stock it means we are investing in long term investment. It includes risk factor also.
2) We can make money from stocks by retaining them for a long period and selling them when their price rises.
3) dividends are paid out of distributable profits. Some companies provide dividends regularly which act as a regular source of income for investors.
4) Capital gain is the benefit obtained on selling a capital asset and if we face loss on selling the capital asset it results in capital loss. Capital assets are like stock, bonds, properties, etc.