Syntax

Question 1

what is compositionality?

Answer 1

meaning of larger expressions depends on the meanings of their parts and the way they are put together

Question 2

what is syntax?

Answer 2

studies how larger expressions are built out of smaller expressions

Question 3

what are constituents?

Answer 3

subparts of a word

unlock+able or un+lockable (unlock and lockable are the constituents)