Labels in Gmail are the simplest way to organize your emails. They work similarly to folders on your computer. You can create a label for anything inside of Gmail. Once you create a label, you also ...

To create email groups in Gmail, go to Google Contacts, create a new label, and add contacts to it. When composing an email, type the label name in the “To” field to send the email to the entire group ...

It's important to follow this rule to label headings correctly in a table of contents ... if you export it as a PDF or EPUB document. You can even create a table of contents for your Google Slides.