The three main Gunas are described as Sattva , Rajas and Tamas .
The Sattva Guna is characterized by truth , purity , virtue , nobility , lightness , peace and so on .
The Rajo Guna is charecterized by emotions, attachment , ambition , action , restlessness , desire etc
The Tamo Guna is characterized by the forces of darkness , sloth , negativity , violence , anger , vice ,etc
We have a combination of these gunas , and one is expected to aspire towards Sattva and elimination of the other two .
Food is also divided into Sattvic ,Rajasic and Tamasic , based upon the influence it has upon us .
Similarly personality characteristics ,behaviour patterns , actions , thoughts etc are also described and sorted into the three Gunas .