Note is related to Quick. Quick is related to Glimpse. Glimpse is a synonym of Glance. 
Illness is a different concept from Health. Health is a synonym of Fitness. Fitness is related to Walk. Walk is related to Elephant. 
Note <--RelatedTo--> Quick <--RelatedTo--> Glimpse <--Synonym--> Glance 
Illness <--DistinctFrom--> Health <--Synonym--> Fitness <--RelatedTo--> Walk <--RelatedTo--> Elephant 