A relaxed eye is a sign of being content, but if white is visible the elephant may be agitated or alarmed
The ears help shed excess heat but double up as communication tools. Erecting the ear flaps can be used to intimidate others
If the tail is stiff or held out to one side the elephant could be experiencing anxiety. But just like a dog, if it’s wagging the elephant is content
Elephants may tuck their trunks away when charging and are said to let it swing loose if only playing. It’s best to get out of the way no matter what the trunk is doing