Number is related to Issue. Issue is a type of Communicate. Network is a type of Communicate. 
Point is part of Pencil. Point is a type of Disk. Disk is related to Cookie. 
Number <--RelatedTo--> Issue --IsA--> Communicate <--IsA-- Network 
Pencil <--PartOf-- Point --IsA--> Disk <--RelatedTo--> Cookie 