The kata simply means 'to attack and destroy (version two)' (as opposed to Gekisai Dai Ichi, meaning 'to attack and destroy (version one') and it continues to work on the concept of developing an aggressive fighter, though one with a greater range of weapons to select from and one giving more thought to strategy.
This kata was also created by Chojun Miyagi in 1940 and through the process of coming up with this second form the original name of Gekisai Dai Ichi - Fukyugata Ni, as compared to Shoshin Nagamine's Fukyugata Ichi - was renounced and the two Gekisai kata came into being.
Master Morio Higaonna performing Gekisai Dai Ni