Card is the opposite of Paper. Paper is related to Current. Current is related to May. May is related to Calendar. 
Appointment is a type of Decision. Decision is a synonym of Determination. Determination is related to Focus. Focus is a type of Concentration. 
Card <--Antonym--> Paper <--RelatedTo--> Current <--RelatedTo--> May <--RelatedTo--> Calendar 
Appointment --IsA--> Decision <--Synonym--> Determination <--RelatedTo--> Focus --IsA--> Concentration 