Thread is a different concept from Needle. Needle is related to Tool. Tool is related to Paper. Paper is a different concept from Pen. 
Desire is a type of Tendency. Desire is a synonym of Pant. 
Thread <--DistinctFrom--> Needle <--RelatedTo--> Tool <--RelatedTo--> Paper <--DistinctFrom--> Pen 
Tendency <--IsA-- Desire <--Synonym--> Pant 