In the first decade of the 20th century, he introduced this new style to Japan and thus to the world. The style we practice at Foothill and De Anza Colleges, Shotokan Karate, is the descended from Funakoshi's style. Okinawan karate styles tend to be hard and external. In defense they tend to be circular, and in offense linear. Okinawan karate styles tend to place more emphasis on rigorous physical conditioning than the Japanese styles.
Japanese styles tend to have longer, more stylistic movements and to be higher commitment.
They also tend to be linear in movement, offense, and defense. Both tend to be high commitment, and tend to emphasize kicks and punches, and a strong offense as a good defense. Kata are stylized patterns of attacks and defenses done in sequence for training purposes.