In Ayurveda, what is the meaning stand for "Vata, Pitta and Kapha"?

Vata, Pitta and Kapha are the three humours used in Ayurvedic and these all are collectively known is "THREE DOSHA THEORY" or "TRIDOSHA". Ayurvedic DOSHA are markedly different from Latin humours. The basic concepts is a balance between of this three fundamental elements which is exists on our health.

1)Vata: Vata or Vayu is related of nervous system as well as the body. It is linked with flexibility and creativity, flow movement- the flow of breath, heart pulse rate, movements of tissue, throughout communication and cellular mobility. It's growth of all tissue organ, veins and arteries. If any disease occured Vata is the first loose down it's balance. Vata controls our mind related functions like speech, hearing, body balancing etc. Vata also helps to stay balanced mentally and creative a better thing. Other two dosha controlled by Vata. It's help to our mind refresh and body is full of energy and strength. If Vata is balanced, it's help a good sense of comprehension in our targeted mind.

Vata are 5 types. Those are:
1)Udana Vata: It's located between throat and chest portion. Mostly diseases found in throat area. This Vata controls our speech.

2)Prana Vata: It's controls breathing expiration. It located in heart and mostly found disease are Asthma, Emphysema, Pneumonia etc.

3)Apana Vata: It's located the lower part of stomach. This Vata helps the excretion of urine, stool, amonea, seminal fluids etc. Diseases mainly occur Ulcer and gastric.

4)Sama Vata: Located in stomach and controls digestion food and production of gastric juicesz uric acid etc. Common problem is Indigestion.

5) Vyana Vata. It's distributed whole body. That's mean controls our body movement, postures, open-closing eyes, sweating, gestures etc. Disease occurs mainly Night blindness, rickets etc.

Disbalancing of Vata:
1)Paralysis
2)Depression
3)Pain
4)Contraction of organ
5)Dry and rough skin.

2)Pitta: Pitta represent the energy transformation. It's a liquid and that's why water is a secondary element. Pitta related the understanding way, intelligence, food digestion, emotions and calmness, experience, thoughts and controls. Controlling the metabolism and body growth. If it is imbalanced then starts the chronic diseases like STOMACH ULCER, HAIRFALL, ANGER etc. Created the excitement in our body by it. When heat generated in body, a biochemical reaction start in whole body.

These are 5 types. They are-
1)Ranjaka pitta: It's located in stomach and helps to provide the chyle colour and production of blood(RBC, WBC and BLOOD PLATELETS). Diseases occur manily liver infection, jaundice, spleen trouble etc.

2)Sadhaka pitta: This pitta controlls understanding, memory, catch up the memory and controlls the visualization. So, that's why it is located in brain. Disease occur like disbalance, memory loss etc.

3)Bbrajaka pitta: It's located in skin and controls the color, textures, glow of the skin. Disease mainly occur Discoloration of skin.

4)Alochka pitta: It controls the proper vision and that's why located in eyes. Mainly disease occur is Visionloss.

5)Pachaka pitta: It's controlls the formation of urine, stool, amonea etc. Also, help the formation of chyle to help the digestion. This pitta located in stomach and some part of intestine. Some of the diseases are Acidity, tasteloss, stomach burning etc.

Disbalancing of kapha:
1)Warm 
2)Vision loss
3)Fade color
4)Fiery
5)Criticism
6)Anger

3)Kapha: This dosha hydrates all cells and systems. Maintains immunity, protects ligaments and tissues, moisturize and glow the skin. It's also provide the strenghtness of body. It related to emotions, love, passion and forgiveness. Also, Maintain the coolingness of body. It is responsible for a complete structure of  a human body. If it is out of balance then fatness come, jealousy and greed can be caused. This dosha controlls the water in body and memory.

These are also 5 types. They are:
1)Tarpaka kapha: This kapha located in brain and controlls the sense and intelligency of brain. Mainly diseases occur Abnormalcy, memory loss etc.

2)Bodhaka kapha: It is located in mouth. So, it's controls the taste. Mainly disease occur food taste bitter or loss the taste.

3)Abalambaka kapha: It is present in heart and lubricates the parts of heart and the chest. Looseness is the main disease.

4)Sleshmaka kapha: It's present in all joints and helps to lubricate all joints. Mobility loss and body weakness is the main disorders.

5)Kledaka kapha: It is located in our stomach and helps to digestion of food into intestine. Defected orders like Appetite loss, indigestion, discoloration of stool(due to less amount of bilirubin and biliverdin).

Disbalancing of kapha:
1)Taste change
2)Obesity
3)White patches on skin
4)Affect organs and tissues
5)Lethargy

These are all about the "TRI DOSHA THEORY".