"Kerar" the hebrew name meaning to dance whirling around. There is just something about the abudant or extravagant praise before the Lord. Psalms 149:3 "Let them praise His name with dancing and make music to Him with tambourine and harp" (Ngami 06)
Believers of Yeshua have a mandate to watch, fight, and pray. The cross represents the Believers in the body of Christ, the jewels are a memorial of the royal preisthood, and the wheat symbolizes the urgency of the harvest that must be gathered for Adonai.
Simplicity means different things in different cultures. In America, simplicity may be coffee at Starbucks or simplicity can mean tea time in England. However, simplicity can just mean family, food, and fun.