What is the primary function of WhatsApp?

The primary function of WhatsApp is to enable messaging and communication between individuals and groups using text, voice, and video chat over the internet. Here are the main functions of WhatsApp:

1. **Messaging**: Users can send text messages, photos, videos, documents, and voice messages to individuals or groups.

2. **Voice and Video Calls**: WhatsApp allows users to make free voice and video calls to other WhatsApp users worldwide, using their internet connection (Wi-Fi or cellular data).

3. **Status Updates**: Users can share photos, videos, and text updates with their contacts that disappear after 24 hours, similar to Stories on other platforms.

4. **WhatsApp Web and Desktop**: Users can access WhatsApp from their computer through WhatsApp Web or the desktop app, allowing for messaging and file sharing from a desktop or laptop.

5. **File Sharing**: Apart from media files (photos, videos), WhatsApp also allows users to share documents such as PDFs, spreadsheets, and slideshows.

6. **Location Sharing**: Users can share their real-time location with others or send a static map location.

WhatsApp focuses on providing a simple, secure, and reliable messaging platform that is accessible on both mobile devices and desktops, aiming to facilitate communication between individuals, families, friends, and businesses globally.