What is difference between Corresponding Author and First Author

Corresponding author defined corresponding author

There is nothing wrong in the first author or lead author being the corresponding author as well In fact, for single author papers, that is

corresponding author Responsibility of the corresponding author When a manuscript has several authors, one of them, the corresponding author, should be designated to receive and Overall, the corresponding author and the first author have distinct roles in a research paper While the first author is recognized for their Correspondence The corresponding author should be marked with an asterisk in the author list Provide the exact contact email address of the corresponding

โสภา หมาย ถึง That author of a joint paper who is considered by the publisher to have submitted it for publication