A is a set of interrelated propositions that attempt to describe, explain, predict, and ultimately control some class of events.

Theory

Explanation:

Theory is defined as concept tat determines about certain topic through content and idea .This explanation is continuously tested so that the phenomena explained through the concept can be appropriately accounted. Theories are not based on guesses.

The subject on which theory is described contains linked facts and statements for elaborating about the matter.Example of theories are atomic theory, evolution theory etc.  

if you have to make a general question and respond to your thoughts, then this isn't really a question someone can you on. read the passage, form your question, and answer using your thoughts. no one else can understand how you interpreted this text if you don't tell us.