Edit - You can type any SQL command here and run it by Ctrl+Enter (more info: Run command).
Grid - See more in the GRID section in the left frame.
Message pane - Status of the executed commands, error messages.
Tables - List of tables (more info: Tables).
AutoForm - Automatically created form for better browsing through tables with a lot of columns (more info: AutoForm).
3 in 1
3 data sources
Easy switch between them by Alt+1 Alt+2 Alt+3
or by toolbar buttons Query1 Query2 Query3
You can set your own COLORS
You can see a lot of information at the same time: