Gustation refers to the sense of taste, specifically the perception of different flavors through the taste buds on our tongue.
Olfaction is the sense of smell, which works together with gustation to create our perception of flavor.
Papillae are small bumps on our tongue that contain our taste buds and help us detect different tastes.
Umami is one of the five basic tastes (along with sweet, sour, salty, and bitter) and is often described as savory or meaty.