Communication applications refer to software programs or tools designed for facilitating communication between individuals, groups or organizations. These applications can be used in various ways such as sending and receiving messages, making voice calls, video conferencing, sharing files or documents, and collaborating on projects through shared workspaces. Some popular examples of communication applications include email clients like Gmail, instant messaging apps like WhatsApp, social media platforms like Facebook, and video conferencing tools like Zoom. These applications have made it easier for people to communicate with each other irrespective of their location or time zone, thus enabling faster and more efficient exchange of information.