Remember, there are only four things: the open, the high, the low, and the close.
If you take a look at this:
You can see that the candles are usually two colors, either green, red, or perhaps it can be black, white.
You can even change the color if you want, but, generally, the most common color is green and red.
When you see a green candlestick bar, it means that the price has closed higher for the session.
Likewise, when you see a red candlestick bar, on the other hand, it means that the price has closed lower for the session.
Now, let's try to understand these candlestick patterns more in-depth:
You'll notice that there are two main components to a candlestick pattern.
One is what we call the body, and the black shadow thing is what we call the wick.
The body pretty much tells you who's in control, so in this case...
You can see that the buyers pushed price up all the way up higher, and finally closing in these highs of the session: