AWR : Active workload Repository for oracle database which we can get by giving snap ids for a specific duration to find out the variety of statistics like dbtime,cputime,sequential reads etc.... also we can get top timed queries also...
i hope awr= automated workload repository which consist of sever/db side utilisation metrics adm = application development and maintainance correct if im wrong
I would suggest you take a few minutes and structure your question into a clear and easy to understand format. You will be more likely to get your fellow LR professionals to spend their time answering your question if they know their time and knowledge will be put to good use.