Running, Finished and Favorites tabs contain on the right side Info panel. It shows some details about a task selected on the list. Panel Info can be shown and hidden by pressing button 
or by Ctrl-I.
There is displayed information bout dial-up status at the top of running Info. You can enable dialing function on Options - Internet dialog.
Then follows information about running status for an item selected on the list (e.g. "Connecting to ftp.on.the.net"). Also all error messages are displayed there.
Progress - shows percentage progress for current task.
Size - file size for downloads.
Required results - minimum number of results for file and MP3 search.
Resuming: Yes 
/ No 
- if the server supports resuming broken connections, download can be stopped and then started NOT from the beginning - only the rest of the file. So when you stop download or e.g. when a transfer error occurs there will be no need to download the file from the beginning. It's recommended to enable Search for alternate URLs when necessary, because AbleGet finds another locations for the file and can automatically choose the fastest and resuming server.
Speed - speed of selected task in kiobytes per second.
Time left - estimated time left to the end of work.
First start, Last start, Next start - when this task was started first time, last time and when it will be started next time (if it is scheduled).
Last finish - when the task was last time stopped.
Click here for description of other parts of main window.