What are Saponification Value

Question

$\begin{array}{1 1} \text{(a) Saponification value number represents the number of milligrams of hydrochloric acid required to saponify 1g of fat under the conditions specified.} \\ \text{(b)Saponification value number represents the number of milligrams of sodium hydroxide required to saponify 1g of fat under the conditions specified.} \\ \text{(c)Saponification value number represents the number of milligrams of potassium hydroxide required to saponify 1g of fat under the conditions specified.} \\ \text{(d) Saponification value number represents the number of milligrams of potassium acetate required to saponify 1g of fat under the conditions specified.}\end{array}$