Insert (verb)

1. Put or introduce (something) into something else.
2. Place or fit (something) into a surrounding mass.

Origin:

Early 17th century: from latin insertus, past participle of inserre, from in- "into" + serre "to join".

Examples:

1. Insert the key into the lock.
2. Insert a coin into the slot.
3. Insert the document into the file.
4. Insert the data into the spreadsheet.
5. Insert the plug into the socket.