A pull-request to forked your reposotory obviously.

A little less formal than an e-mails.

It's part of the new Business Douche language word salad.

When you're on the information superhighway, in cyberspace, sometimes you want to send someone some information (datums). Sometimes an electronic mail is too formal or cumbersome for that, so you instead send them digital text messages, basically cybernetic telegrams, called e-notes.

It's like intraoffice e-mail.