Bolus- food goes into the mouth, it mixes with saliva and breaks into small pieces, known as bolus.
Chyme - Bolus goes to the stomach, mixes with stomach digestive juices, HCl and digestive enzymes this mixture is known as chyme, Chyme is acidic due to mixing with gastric acids.
chyle- Chyme reaches the small intestine and In the small intestine, chyme mixes with intestine juices and bile and converts into a milky fluid known as chyle.