1. Creation of identity cards: contacts, companies, digital resources, physical resources, services and billing queries.
2. Establish a content structure: Folders | Subfolders (decks) | Files (cards)
3. Allow linking elements to cards: phone number, postal address, email, social media, direct access to WhatsApp and Telegram, files, notes, audio notes, events, web links, billing entries, hierarchies.   
4. Categorize repositories into: Personal | Teams | Marketplace | Favorites
5. Offer services and resources via Marketplace.
6. Communication features: user chat
7. Social features: teams and friends.  
8. Filter and searching tools.
9. Create balance queries from groups of contacts with bill entries.