Solve for $c$ in terms of $b$ and $d$. \[ d=c b \] \[ c= \]

Step 1 ：The question is asking to solve for $c$ in terms of $b$ and $d$. This means we need to isolate $c$ on one side of the equation.

Step 2 ：Looking at the equation $d = c b$, we can see that $c$ is being multiplied by $b$.

Step 3 ：To isolate $c$, we can divide both sides of the equation by $b$.

Step 4 ：The final answer is $c = \boxed{\frac{d}{b}}$