- cache - a hidden storage space (for money or provisions or weapons)
--1 is a kind of storage space
Derived form: verb cache1 - hoard, cache, stash - a secret store of valuables or money
--2 is a kind of store, stock, fund
Derived form: verb cache1 - cache, memory cache - (computer science) RAM memory that is set aside as a specialized buffer storage that is continually updated; used to optimize data transfers between system elements with different characteristics
--3 is a kind of buffer, buffer storage, buffer store
--3 has particulars: disk cache