Here are the packages with brief descriptions (if available):

[detail level 1234]

▼NWebService
▼NAdapters
▼NResult
CErrorGroup
CErrorGrouper
CWarningGroup
CWarningGrouper
▼NSerialization
CResultSerializer
▼NValidatorLibAdapter
CValidationResultAdapter
▼NBackgroundServices
CCleaningParameters
CCleaningService	Starts periodical cleaning of the records in the database. We do not want to keep the validation results for too long
▼NControllers
CGetResultController
CValidateController
▼NLanguageUtils
CLanguageUtility
▼NMigrations
CServiceContextModelSnapshot
▼NModels
▼NDb
CServiceContext	Class used to communicate with the database using Entity framework
▼NErrorsAndWarnings
CError	Represents error that has been raised during the validation
CErrorOrWarning
CWarning	Represents warning that has ocurred during the validation process
▼NProgress
CValidationProgressStatus	Represents different states of validation progress
▼NRequest
CValidateRequest	Represents expected body content of a request that arrived at the Validate endpoint
▼NResponse
CResponseMessage
CResponseMessageFactory	Creates response message instances. In the future maybe more complex operation would have to be done before creating instance of ResponseMessage
CValidateResponseFactory	Creates response message body for request that has arrived at a Validate endpoint
▼NResult
CTableGroupResult	Holds the information about the validation result
CTableResult	Holds information about validation result but only for one table of potentionally many in the table group TableGroupResult
CBaseEntity
▼NSecurity
▼NSanitization
CSanitizer	Sanitizes the input user provides us with in the API