There are 3 types of TokenScript specifications. Throughout a standardisation process they may eventually become separate standards, but presently they are all housed under TokenScript in 3 streams of development.
Note: This is a work in progres to move documents from old TokenScript repository. Will take a few weeks to accomplish.
Web API : For a website to use tokens. For example, how to render a token on your website.
TokenScript XML : These are specs about TokenScript XML elements and their uses.
Attestation : About the attestations and data objects accessible to TokenScript Engines.
Further more, there are design concepts that these specs should refer to, availble in the design paper.