Def 

Iterfaces for data access layer to User.

Marketing server model.

Services server model.

Membership interfaces for user data access layer.

Interfaces for (Order/Money) Processing data access layer

Service to allow the access to the menu functionality

User data access layer with membership realisation

Interfaces for categories data access layer

Interfaces for data access layer to the attachment.

Interfaces for auctions data access layer

Interfaces for conversation data access layer

Interfaces for work data access layer

Category data access layer

Data access layer to store. In accordance to personal stores

Order/Money Processing data access layer

Social Network server model.

Data access layer to attachments

Conversation data access layer

Data access layer to User.

Auctions data access layer