A blog is a type of website where people can write and share their opinions. However, it is not always a discussion forum.
A blog is typically written in a personal voice and is not edited for grammar or length.
Some people see blogs as a way to share their thoughts and ideas without having to worry about offending others. Others see blogs as a way to discuss controversial topics and get feedback from other readers.
In general, a blog can be seen as either a discussion forum or a personal blog. It depends on the content and how the blog is used.