WeChat is a versatile messaging app developed by Tencent, primarily used in China but also available globally. It allows users to send text messages, make voice and video calls, share photos and videos, and participate in group chats. Beyond communication, WeChat includes features like mobile payments, social media sharing, and access to various services such as ordering food or booking taxis within the app. It functions as an integrated platform, combining messaging, social networking, and everyday services, making it a central digital hub for communication and daily activities.