Trading is trading and investment is investment mate, don't say trading is investment because the two are not the same even though the end goal can be the same, namely making a profit. However, in the process of learning to gain knowledge, the two are very different, so you need to separate them and you don't need to put them together because trading always involves every trader looking at the market and understanding market trends. Meanwhile, investing only requires looking at the price that is suitable for you to buy, which you then hold for a certain time limit before you sell it back into the market to see the amount of profit you can get after holding it for some time.
What you described at the end is trading, the only difference will be in the time it takes you to do it. If trading may take you from a few minutes to a few months, then investing is from a few months to a few years. Actually, you can call it whatever you want, but the essence remains the same, you need to make a profit. Everything else does not matter. Also note that investing in the long term can bring better results and this is confirmed by most experienced people in crypto, successful traders who are able to bypass Bitcoin in profitability are actually very few.