Maintain is related to Hold. Counter can be used for Hold. Counter is a type of Register. 
Current is related to Path. you are likely to find Snake in/at/on Path. you are likely to find Snake in/at/on Nature. Nature is related to Wilderness. 
Maintain <--RelatedTo--> Hold <--UsedFor-- Counter --IsA--> Register 
Current <--RelatedTo--> Path <--AtLocation-- Snake --AtLocation--> Nature <--RelatedTo--> Wilderness 