As long as your username was spelled correctly, your @replies should appear in your @replies section.
To post replies to someone on twitter, you simply put the @ sign before their username. For example... @efink101 hey how are you? Simple as that. :)
Yes
Yes if you set up mobile Twitter. You can do this from your account settings.
They meet through twitter replies and YouTube
It expands the tweets to show you if anyone replies to them, and who favorites and retweets them.
You can tweet her on twitter... Her name is Reba on there. She never replies but she does read them.
It depends if he ustreams or has a twitter party and replies to some people:)
Yes they will get your tweets. It will appear in their @replies tab.
If you are following two people and they are sending @replies to each other then they will appear on your timeline. This is because you have chosen to follow both of their tweets.
They're actually called "replies", "mentions", along with "@replies." (At replies.) Mentioning another Twitter user is very simple. All you have to do is use @TwitterUsername, to mention the person. If you use a mention at the beginning of a tweet, it will not show up in the timeline of your followers. However, if you were to place it anywhere else in a tweet, others would be able to see it in their timeline.
Yes they can see a reply if they click on their @replies. That's how you get to know peeps on Twitter!
If they are not following you it will not appear in their timeline. It will always appear in their @replies though.