The correct answer is C. Chat.
A chat is an online conversation between two or more people. It is a real-time conversation, which means that the participants can see each other’s messages as they are typed. Chats can be held on a variety of platforms, including instant messaging apps, social media platforms, and websites.
A vlog is a video blog. It is a type of blog that consists of video recordings of the blogger’s thoughts, experiences, or activities. Vlogs are typically published on a regular basis, and they can be watched on a variety of platforms, including YouTube, Vimeo, and Dailymotion.
An email is a message that is sent electronically from one person to another. Emails are typically sent through a web-based email service or a desktop email client. Emails can be sent to one person or to a group of people.
A blog is a website that is updated regularly with new content. Blogs are typically written by one person or a small group of people, and they often focus on a particular topic or area of interest. Blogs can be used to share news, information, opinions, or personal experiences.