Final answer:
Deep structure refers to the syntax manner by which words are organized into sentences. It is the underlying structure that determines the meaning of a sentence before it is transformed into its surface structure.
Step-by-step explanation:
Deep structure refers to the syntax manner by which words are organized into sentences. It is the underlying structure that determines the meaning of a sentence before it is transformed into its surface structure. Deep structure is an important concept in linguistics and helps us understand how sentences are formed and interpreted.