Copy
Definition 1 of 5
Pro Tip 1/2
Exactness Varies
The similarity of a 'copy' can range from identical to just looking alike, depending on the context. Her dress is a copy, but you can see some differences.
Pro Tip 2/2
Non-Physical Copies
'Copy' can also refer to non-tangible items, like digital files or sounds. I downloaded a copy of the song.