Importance is a type of Standing. Standing is related to Rank. Come is a type of Rank. Address is a type of Come. 
Laugh is related to Vocal. Vocal is related to Throat. Throat is related to Breathing. Breathing is related to Neck. 
Importance --IsA--> Standing <--RelatedTo--> Rank <--IsA-- Come <--IsA-- Address 
Laugh <--RelatedTo--> Vocal <--RelatedTo--> Throat <--RelatedTo--> Breathing <--RelatedTo--> Neck 