Leaf is related to Light. Light is a different concept from Heat. Heat is related to Measure. Measure is related to Week. 
Album can be used for Music. Music have Information. Format is a type of Information. 
Leaf <--RelatedTo--> Light <--DistinctFrom--> Heat <--RelatedTo--> Measure <--RelatedTo--> Week 
Album --UsedFor--> Music --HasA--> Information <--IsA-- Format 