Partitioning and Collecting Icons

These icons keep appearing in the jobs. Here, is a description what each of these actually mean:

1.AutoPartitioning: 

2.Repartitioning: 

3.Partitioning: 

4.SamePartitioning: 

5.Collector: 

Note : Though matter related to different datastage concepts are prevalent on the net and can be gathered from various sources, mine is an attempt to present the matter in an easy to understand manner.  

Reference:
http://publib.boulder.ibm.com/infocenter/iisinfsv/v8r5/index.jsptopic=%2Fcom.ibm.swg.im.iis.ds.parjob.dev.doc%2Ftopics%2Fpartitioningrepartitioningandcollectingdata.html