The 'alerts' menu is for sending you the information regarding the status of your posts (articles, forum posts etc) as to whether they are approved, or pending etc, the cash credit (if any) given to you for various contributions, whether any of your posts are selected as the best answer, the awards and prizes given to you etc. In short, it is for alerting you about the change in the status of your contributions here.
It will be a good habit to refer to your alerts page regularly, especially when you had submitted some posts or articles.
'Mastering others is strength. Mastering yourself is true power'. -Lao Tzu
K Mohan @ Moga
'Idhuvum Kadandhu Pogum "
Even this challenging situation would ease
Knowledge is power.
You have submitted an article. It was reviewed and the Editor thought that some modifications are required. So he will send your article to the pending section and you will receive an alert from the site that so and so article of you is kept pending. Then you can go to that article do the corrections as mentioned by the Editor and you can resubmit.
If you answer a question in AskExpert section, the concerned editor will check and take the action deemed fit. That will be informed to you as an alert.
If your answer is selected as the best answer you will receive that communication. If your forum postings were given any CC that will be informed to you as an alert. But awards and prizes will not be informed through these alerts.