File types:
File Types and Presets VaM 1.x uses specific file types for storing information. Their purpose and expected locations are shown below: File type Location in the VAM folder (expected) Description .assetbundle, .scene \Custom\Assets Unity compiled assets. VaM 1.x requires assetbundles to...
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DSF is not needed, that's a DAZ file, vmb/i are morphs. The PNG are textures for the clothing according to the names.
You can put files anywhere you want as long as the paths are correct. Naturally, best to mimic as close as possible VaM's folder structure to have a clean and consistent resource. Do take a look at the guides regarding VARs.