There is a place for each of those with a descriptive label above and a code next to the field. The tax documents you get from each provider for your RA, medical aid, etc. should have the requisite code, but the fields are labelled on the tax return anyway. Chances are you can't claim back for income protection.
They treat it the same as stocks. If you buy and sell regularly it is considered income and taxed accordingly at the same rate as your salary. If you tend to hold it for extended periods you can try to instead claim a capital gain or loss. If you hold it for more than three years it is automatically treated as capital gain or loss.