The shaka, a hand gesture used in Hawaii, represents the “Aloha Spirit”.
The “Aloha Spirit” is one of love, understanding, friendship, compassion, and togetherness.
The shaka can be a greeting, or an expression of happiness & gratitude.
Aloha, means love, compassion, sympathy and kindness. It is the common greeting of the Hawaiian Islands. Aloha also means "to be in the presence of the divinity" or in the presence of (alo) the "divine breath of life" (Ha).