For a DFA Q sigma delta q0 F what is the meaning of the stat

For a DFA (Q, sigma, delta, q_0, F). what is the meaning of the statement q_2 = delta (q_0, a) ? When reading an a in state q_0 the next state is q_2. q_2 is a final state when reading an. q_0 are q_2 are states of the machine. The state q_0 s reachable from state q_2 the next state is a.

Solution

When reading \'a\' the state q0 reaches the state q2.

May be q0 is the initial state and on reading \'a\' it may move from the q0 state to q2 state.