An avatar is an image that represents a community member. They allow other users to identify the person who made a post or comment quickly.
Avatars are a crucial part of a community profile and can help when building relationships online.
An audience is a group of people that follow your brand. They consume the content you create on platforms like your blog, social media, or YouTube. Audience members typically like what you have to say and respect your ideas and opinions.
A brand advocate is someone passionate about your company who proactively shares your brand with their network. This could be on social networks, in communities, on blogs, or even in offline relationships