A blurb is just a short written peice about something. Usually it's in reference to a newspaper article that briefly mentions a barely newsworthy item.

the thing that you don’t have when you’re phones percentage is over 20

A small, dense amount of descriptive text which can be fired like a projectile.

A small amount of text, used beneath photographs in newspapers, or to thank someone in a book.

a short, concise amount of descriptive text used for professional warm introductions

A dose of highly concentrated spin intended to deflect direct perception and critical thought while presenting a desirable or attractive image to the public.

The short summary of a book, usually on the inside cover or back, that most people read so they can say they read the book