White balance tells your camera the color temperature of the environment you're shooting in. Different types of light have different colors. For example, incandescent bulbs (like what many people put in a lamp) have a very warm color. The fluorescent lights (if you're reading this in an office, look up) are a little bit cooler. Daylight is cooler yet. Before you begin shooting, you have to adjust your camera's white balance according to your setup.
Providing the right information in your video’s metadata ensures that it is properly indexed by YouTube and appears when people are searching for videos like yours. Be succinct and straightforward when filling out your metadata — your content could be removed if you try to promote it with unrelated keywords. Check out the video below to learn more about optimizing your video for search.