Final answer:
The action of clicking on "Submit" indicates that the assignment is finished and ready for grading.
Step-by-step explanation:
The subject of this question is Computers and Technology.
Clicking on "Submit" in the upper right-hand corner indicates that you have finished with the assignment and are ready for it to be graded. This action notifies the system that you have completed the task and are ready for evaluation.
For example, in an online learning platform, once you have answered all the questions or submitted your work, you would click on the "Submit" button to signal that you are done.