As part of currently "Minimize In-Portal Core with ability to download/update Modules online discussion" ( https://groups.google.com/forum/#!topic/in-portal-dev/vuGnrVy25cA/discussion ) where we started to break In-Portal CORE on a smaller pieces reviewing it's Table Structure.
[B]Incorrectly named Tables:[/B]
Agents => ScheduledSystemEvents
BanRules => UserBanRules
Cache => SystemCache
ConfigurationValues => SystemSettings
Category => Categories
CustomField => CustomFields
Drafts => FormSubmissionReplyDrafts
Events => EmailEvents
Favorites => UserFavorites (new change)
Images => CatalogImages (better name for a future)
ItemFiles => CatalogFiles (better name for a future)
ItemRating => CatalogRatings (better name for a future)
ItemReview => CatalogReviews (better name for a future)
Language => Languages
PermCache => CategoryPermissionsCache
PermissionConfig => CategoryPermissionsConfig
Phrase => LanguageLabels
PortalGroup => UserGroups
PersistantSessionData = UserPersistentSessionData
PortalUser => Users
PortalUserCustomData => UserCustomData
RelatedSearches => CategoryRelatedSearches
Relationship => CatalogRelationships
SearchLog => SearchLogs
SessionData => UserSessionData
SessionLogs => UserSessionLogs
Skins => AdminSkins
SubmissionLog => FormSubmissionReplies
Theme => Themes
UserGroup => UserGroupRelations
UserSession => UserSessions
Visits => UserVisits