The vector map product are usually seen as being of three different types: low resolution (level 0), medium resolution (level 1) and high resolution (level 2).
Read more about Vector Map: Debate About Availability of Data, Tools To Read and Convert VMAP Data, History
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“A map of the world that does not include Utopia is not worth even glancing at, for it leaves out the one country at which Humanity is always landing.”
—Oscar Wilde (1854–1900)