What is this called? (the flat vertical surface in a television set on which pictures are shown.)
This is called a TV screen.
What are these called? (the distinctive taste of a food or drink.)
These are called flavors (US) /flavours (UK)
What is his job? (a person who is trained and knowledgeable wine professional, normally working in fine restaurants, who specializes in all aspects of wine service as well as wine and food pairing. )
He is a sommelier.
What is Katy Perry doing?
She is licking an icecream.
What is this object called? (a machine for printing text or pictures, especially one linked to a computer.)
It's called a printer,
What is this called? (a colored fluid or paste used for writing, drawing, printing, or duplicating.)
Ink
What is the flavor of a lemon?
sour
what is the flavor of a chili pepper?
spicy/hot
What flavor is coffee or dark chocolate?
bitter
What flavor is a pretzel?
salty
