The name Kwanzaa comes from the phrase “matunda ya kwanza” which means “first fruits” in Swahili. families celebrate Kwanzaa in its own way, but celebrations often include songs and dances, African
drums, storytelling, poetry reading, and a large traditional meal. On each of the seven nights, the family gets the candles and a child lights one of the candles on the candle holder. The principles are values of African culture which contribute to building and reinforcing community among African-Americans. Kwanzaa also has seven basic symbols which represent values and concepts reflective of African culture. These are some of the symbols.
To strive for and maintain unity in the family, community, nation, and race.
Self-determination: Kujichagulia (koo–gee–cha–goo–LEE–yah)
To define ourselves, name ourselves, create for ourselves, and speak for ourselves.
Collective Work and Responsibility: Ujima (oo–GEE–mah)
To build and maintain our community together and make our brother’s and sister’s problems our problems and to solve them together.
Cooperative Economics: Ujamaa (oo–JAH–mah)
To build and maintain our own stores, shops, and other businesses and to profit from them together.
Purpose: Nia (nee–YAH)
To make our collective vocation the building and developing of our community in order to restore our people to their traditional greatness.
Creativity: Kuumba (koo–OOM–bah)
To do always as much as we can, in the way we can, in order to leave our community more beautiful and beneficial than we inherited it.
Faith: Imani (ee–MAH–nee)
To believe with all our heart in our people, our parents, our teachers, our leaders, and the righteousness and victory of our struggle.
source : http://www.history.com/topics/holidays/kwanzaa-history