Meaning

• A place where items may be accumulated or routinely kept.

  "This building used to be a store for old tires."

• A supply held in storage.

• (mainly North American) A place where items may be purchased; a shop.

  "I need to get some milk from the grocery store."

• Memory.

  "The main store of 1000 36-bit words seemed large at the time."

• A great quantity or number; abundance.

Meaning

• To keep (something) while not in use, generally in a place meant for that purpose.

  "I'll store these books in the attic."

• To write (something) into memory or registers.

  "This operation stores the result on the stack."