Here is a list of Twitter feature and basic terminology which will help you understand Twitter better.
# sign
The hash sign is used to mark a word as a keyword, which denotes a “hashtag”. We’ll tell you what a hashtag means just down this article. So if your Tweet(a Twitter update) relates to a popular quote, you’ll add the #quote hashtag to denote it as a quote.
@ reply
The @ sign is used to indicate that you are replying to a specific username. For example, if you want to pass...
