After you file

The difference between "being processed" and "STILL being processed is this-

Being processed- Your tax return has been completed and approved. The next step is the second orange bar that will say "refund approved." Basically, it is a good sign and there were no errors found or adjustments made with your return. You will see Tax Topic 152. Your refund is preparing to be issued. That's it. HOWEVER, 

Still being processed- The IRS will need more information before they can continue processing your tax return. Several possible reasons for this includes ID verification, miscalculated numbers, last names are misspelled (never issues with first names since they rely on last names only), earned income tax credit, etc. The IRS basically is going to STILL need more time to obtain the information required to continue processing. If it's been more than 21 days and the status has not changed, you should expect to receive a letter (NEVER A PHONE CALL SINCE THE IRS DOES NOT CONTACT ANYBODY BY PHONE) explaining the reason for the delay and instructions on what you will need to do. It's a pretty lengthy process and does indeed require more patience than most of us have (especially when it comes to our refund money).  But, just follow the instructions given, provide the correct (and accurate) information needed and everything will go through.... eventually. 

*Keep in mind, it's ok to be feel frustrated, confused, irritated, annoyed or just flat out pissed off, and it's completely understandable. But the IRS are still people too, not robots. They are just as capable of making mistakes as every other human being. Being rude will definitely not help you receive your refund any quicker. Communication is key. Politeness is appreciated. And respect is always deserved.* Hope this helps if not most, than at least some.