The beginning I recommand for newcomers
If you are a newcomer maybe you can quickly find what fits you to learn.If you are a newcomer who just know the basic rules and opening principles,wanting to increase your chess skills,however,finding no time to learn many complicated opening such as England opening,I recommand these openings for you.No matter you which side you are.
If you are white,London System is the simplist opening for you to learn cause its singlea developing sequence.It has been used recently in World Championship by Chinese GM Ding Liren.How about you are black side.Try French Defence! It is an old opening invented in 18 century.It was been widely used above the world.Although there are many disadvantages,you needn't to worry about them when you under socore of 1500.After improvong your skills,then learn more complex openings is a good choice.
So try your best to learn one or two specific openings,I wish you can improve your chess skills and have a better understanding on chess.
