Touch Targets
Touch targets are the tappable areas that define links on mobile devices.
The sections of the screen that respond to human interaction are known as touch targets. They go beyond an element's visible boundaries.
Typographic Voice
Don’t let your type choices speak poorly of your work.
The personality of the typeface (or font) that is being utilized, or how it delivers the message, can also be thought of as the voice of typography/type.
Tracking
Tracking is the space between a range of letters.
Tracking, also known as letter spacing in typography, is an optically consistent shift in the distance between letters to vary the apparent density of a line or block of text.