Dimension is a type of Mark. Mark is related to Post. Post is related to Newspaper. Newspaper can Announce. 
Quantity is related to Measurement. Observation is a type of Measurement. Observation is related to Watch. 
Dimension --IsA--> Mark <--RelatedTo--> Post <--RelatedTo--> Newspaper --CapableOf--> Announce 
Quantity <--RelatedTo--> Measurement <--IsA-- Observation <--RelatedTo--> Watch 