Dorsal: In humans, toward the back of the torso. The shoulder blades are dorsal to the ribs. Ventral: In humans, toward the front of the torso. The navel is on the ventral aspect of the body. In humans, dorsal and ventral are mostly synonymous with posterior and anterior, and the latter terms are often used.
Your iPhone battery turns yellow as soon as you tap Turn On. Low Power Mode automatically turns off when you recharge your iPhone battery past 80%. Your iPhone battery is yellow because Low Power Mode is turned on. To change it back to normal, go to Settings -> Battery and tap the switch next to Low Power Mode.
Yellow is a symbolic color that brings joy and delight. It makes some people feel angry and can be overwhelming if used too often. Perhaps this is because yellow can be associated with illness or aging. For example, teeth turn yellow when they are not cared for, pit stains are yellow and pages yellow over time, so it could also mean decay. The third chakra, located at the solar plexus, is said to be yellow.