A kind of battle can refer to a variety of different conflicts. Naval battles involve two or more naval forces engaging in combat on the sea. CUSTODY battles are legal disputes between two parties over the care and control of a child. UPHILL battles are struggles that require a great deal of effort to overcome. RAP battles are verbal contests between two or more people in which they attempt to outdo each other with clever rhymes and insults. SHAM battles are mock battles used for training purposes. ROYAL battles are conflicts between two or more ROYAL families.