Vernacular

App.net has it's own vernacular and jargon. Here's a pretty comprehensive list!

A-E
alpha - the first ever web app for accessing App.net, developed by the staff as a proof-of-concept

avi(s) - avatar(s)

client - any app for accessing ADN

convo - conversations

P-T
Patter room - referring to Patter, a web group chat app

PM - private message

repost - retweet (on Twitter)

star - 'like' or 'favourite' or 'bookmark'

stream - timeline

swarm - a group of ADN users all mentioned together in a conversation