"... you must choose what openings you will be using. This choice depends on your taste and also on the character and style of your game. If you like to attack and you are not afraid of sacrificing and taking risks choose sharp gambit openings. If you prefer a quiet game, then there are relatively calm openings for you. ..." - Journey to the Chess Kingdom by Yuri Averbakh and Mikhail Beilin
(The book also explains how the rook moves.)
Much like everyone else has said, you don't need to worry about style until you get to ~2000 level. First learn fundamentals of all three phases of the game and work on building up basic tactical competency (avoiding mistakes and taking advantage of your opponent's mistakes). Style has to do with how you apply your personality and creativity to complex positions and overcome high-level resistance. This will not be relevant until you become much stronger and are playing much stronger opponents.