Brine is a solution of salt and water. It is mainly used as a preservative for vegetables, fish, fruit, and meat through a process known as brining. The high salt content in Brine prevents the growth of bacteria and thus helps to preserve the food for a long time without creating any difference in taste. Brine is widely used all over the world for various food preparations and is best suited for delicacies made from meat and fish.
It is the homogeneous mixture
It is the solution of water and salt

Cold and concentrated solution of sodium chloride ( NaCl ) and water (H2O) is called brine
Aqous solution if NaCl is called brine
Saturated solution of sodium chloride and water is called brine

Sodium chloride and water
Brine solution is aqueous solution of sodium chloride

Concentrated solution of sodium chloride (common salt)
It is bromine solution