Theory is created by Thinking. Hypothesis is part of Theory. Hypothesis is related to Analysis. 
Drawing is a type of Representation. Image is a type of Representation. Image is a synonym of Reflection. 
Thinking <--CreatedBy-- Theory <--PartOf-- Hypothesis <--RelatedTo--> Analysis 
Drawing --IsA--> Representation <--IsA-- Image <--Synonym--> Reflection 