Comments in my threads => When people comment on threads I've created
Replies to my threads comments => When people reply to comments I've made on a magazine's thread
Replies in my posts => When people reply to my posts in the microblog section of a magazine
Replies to my posts comments => When people reply to comments that I've left on microblog posts
New threads in a subscribed magazine => Any time a new thread is made in a given mag, you get a notification
New posts in a subscribed magazine => Any time a new microblog is made in a given mag, you get a notification