First of all, whatever opening you are planning to play, first and foremost thing in Chess is to control the central 4 squares. Both white and black fight for those central squares. Then, try to develop the pieces esp. knights and bishops rather than attacking early followed by castling the king to safety. Opening always act as a foundation for middle game and end game. If you do any blunders in opening, there are more chances of losing the game easily , unlike blundering in middle game and end game. There are lot of openings like Kings pawn, Queens pawn, English etc. Openings play a vital role in the result of win and loss of a player. So, it goes rightly, like this " Open,execute,succeed "