________ is a graphical language that allows people who design software systems to use an industry-standard notation to represent them.

A hidden slide can be identified by the ________

A) gap indicating a missing slide in the Slides/Outline pane B) diagonal line through the slide number in the Slides/Outline pane C) special chime that plays when the slide is skipped D) dimmed out slide in the Slide pane

In Unicode, numbers are considered to be ____________________ than uppercase or lowercase letters.

Fill in the blank(s) with the appropriate word(s).