grammaticality - Successfully submitted vs Submitted Successfully . . . "Successfully submitted" almost implies only that the information was successfully sent (no surprises there) By this I mean "the information submission was fine, but I don't know if it will fail in processing " "Submitted successfully" seems to imply that the information was submitted with success, e g
Successfull successful — is this a UK US difference? I would say successfull is a typo Neither Merriam-Webster nor Wiktionary mention it as an alternative spelling The British National Corpus has 10695 cites for successful and exactly one for successf
Is it correct to say Item was succesfully rejected? I think "Item was successfully rejected" works quite well in this context, and I would avoid using "Item was rejected " If you use "Item was successfully rejected" there is less ambiguity that the rejection was the item the user was attempting to reject, not the action of trying to reject that was rejected (wow that sounds confusing!!)
word choice - Registration Successful or Registered Successfully . . . Depending on the design of your system and its messaging overall, registered successfully would likely be the better choice Most systems of the type you describe have an internal architecture defined in terms of states and transitions In principle, the user can get to the “registered” state in more than one way
word usage - Is there any other way to say Sent Successfully . . . Yes, the use of "sent successfully" is correct because when we talk about sending messages, we only refer to the action of message being sent from our location email etc This does not include notifications regarding delivery or message read receipts There are separate features and thus separate messages for such notifications For example:
word usage - Is successfully redundant in XYZ successfully crossed 1 . . . Successfully adds emphasis, which may add meaning if the action had been tried and failed before, or is tried by many but accomplished by few It indicates that the action is a good or desirable thing rather than a neutral or negative thing (as in, crossing the 1 mil customer mark from havning previously been at 10 mil)
submission vs submitting: which is better in this sentence? In your sample sentences, certainly (b) is the preferred choice However, that sentence is ambiguous What do you mean by the submission's being successful? Do you mean that the submitted documents were successfully delivered (the recipients received them)?