The prefixes separate different data domains and avoid name conflicts.
des stands for "Design". It is used for GraphQL types and operations dealing with the design domain, powered by Altium 365.
sup represents "Supply". It is used for GraphQL types and operations dealing with the supply domain, powered by Octopart.
Depending on the scopes which were specified when your Nexar application was created, Nexar access tokens can be used for
sup operations, or both.
adm represents Admin, for accessing our "Admin" API. This allows access to information about your organization, such as its users and applications. You can find out more here - Accessing Nexar Account Information Programmatically
man is for accessing our "Manufacturing" API.
datRep is for accessing our data reporting API. Find out more in our guide - Report Data Query: Introduction to DatRep