Conventional Forex trading is not the most common type of trading you will encounter today, but it is certainly a very important type nonetheless. Many people who do not have a large amount of money that they can invest over a long period of time will prefer to try day trading for starters and then eventually move over to swing trading when they get the opportunity, but people who end up with enough money that they can make a number of investments for the future will almost unanimously opt for conventional trading as a way to grow their investment over time.
The main reason for this has to do with the idea of stability. One way to look at it would be through the use of statistics. Assuming that conventional trading, day trading and swing trading are all distributed evenly with respect to their statistical probabilities, the main differences between the three types of trading is that the average return per trade goes up respectively, and at the same time, the standard deviation also tends to increase. This means that you might make a better average amount per trade with swing trading if you do it properly, but your losses are also going to be magnified because of the greater diversity and action that happens at the swing level. Over time, however, those sharp movements tend to even out and conventional trading strategies tend to make you more money with larger investments over the course of time.
If you are interested in conventional trading and have the money necessary to make it a worthwhile endeavor, something you are going to have to do is take a close look at the currency you might be interested in buying or selling. You want to have some idea of how the currency is going to do over the long run, and while nobody can predict with certainty exactly what a currency will do over the long run, you can get a good idea of whether it is going to go up or down based on the economy that is backing the currency.