Illustrate is a type of Picture. Illustrate is related to Draw. 
Theory is created by Thinking. Theory is related to Big. Big is related to Table. Table is related to Chart. 
Picture <--IsA-- Illustrate <--RelatedTo--> Draw 
Thinking <--CreatedBy-- Theory <--RelatedTo--> Big <--RelatedTo--> Table <--RelatedTo--> Chart 