Breakpoint (Visual Design)

A breakpoint describes a range of pixels (i.e. 0px - 599px, is breakpoint 0) within the responsive width of a screen.
This is often used to discuss how a layout or component adapts to look within this specified range.

Component (Digital)
DESIGN
A component is the name given to an element within the digital system.

Each component must be named the same way in Figma and in Code and must have a corresponding schema; to ensure we are always talking the same language.
Styleguide
DESIGN
A brief document that details and contains the brand assets, colors, and typography for a brand, product, service or experience.

For digital product, services and experiences - Typography must be responsive to match the Google Material Design breakpoints.

A styleguide is synonymous with brand book or brand styleguide.