miniature has functions like:
1 . replacement. the intention of the substitute here is to return to the miniature sense itself as an artificial form of an actual object of a smaller size.
2 . as a business. miniature also has a high selling value depending on the material and how difficult it is in the process of making it.
3 . as an ornamental object. miniature can also function as decorative objects because the miniature also has aesthetic value in it.
okey enough until here first explanation 
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@arissami