This graphic represents the Four Seasons within the Four Directions.  In Cherokee Mythology each season was a time for specific rituals and ceremonies. 

Winter=go-la 

Winter belongs to the North. 
The color for North is Blue which represents sadness, defeat. It is a season of survival and waiting.  The Cherokee word for North means "cold" u-yv-tlv. 

Spring=gi-la-go-ge 

The color for East is Red which represents victory, power. 
Spring is the re-awakening after a long sleep - victory over winter; the power of new life. 
The Cherokee word for East is ka-lv-gv 

Summer=go-ga 

The color for South is White which represents peace, happiness, serenity. 
Summer is a time of plenty. 
The Cherokee word for South means "warm" u-ga-no-wa. 

Autumn=u-la-go-hv-s-di 

The color for West is Black which represents death. 
Autumn is the final harvest; the end of Life's Cycle. 
The Cherokee word for West is wu-de-li-gv. 

Article courtesy of Cherokees of California.