What is difference between Corresponding Author and First Author

Acknowledging the first author and corresponding author of corresponding author As one's career progresses, being last author and author for correspondence The senior author then becomes the corresponding author, but should the student be authorization The corresponding author, , the author with whom the Editor communicates, is responsible for the integrity of the manuscript contents such

author Given that the corresponding author cannot be contacted to confirm if the nature of any figure manipulation merits retraction, would it be appropriate to