what is structural theory?

Answer 1

Sturctural Theory refers to Organizational Structure. Some Organisational structures are in Pyramid shape and some have flat structures.
It actually states the degalition of power in orgazation. It also defines the nature of company's people, either the power is centralised or delegated among people of the organisation.

If you are talking about Architratural structural Structural theory, It tell you about the stucture of the building.