The term 'kind of current' can refer to several different types of currents. The first is a RIP current, which is a strong, narrow current of water that flows away from the shore. It is usually caused by the tide and can be dangerous for swimmers. The second is an electric current, which is a flow of electric charge through a conductor. The third is a DIRECT current, which is an electric current that flows in one direction. The fourth is a cathode current, which is a type of electric current that flows from a negative electrode to a positive electrode. Finally, the fifth is an inshore current, which is a current of water that flows towards the shore.