01 · Defined term
Design system
A repeatable system of typography, colour, spacing, components, and interaction rules that keeps a brand coherent across every digital surface.
02 · Defined term
Visual hierarchy
The deliberate ordering of information through scale, contrast, position, and spacing so decision-critical ideas are understood first.
03 · Defined term
Responsive design
A layout system that adapts content, navigation, and readable measure to the constraints of each viewport rather than merely shrinking a desktop page.
04 · Defined term
Accessible interface
A digital experience designed so people using keyboards, assistive technology, or different display conditions can understand and operate it.
05 · Defined term
Information architecture
The logic that determines how pages, labels, navigation, and internal links help a visitor find and understand a subject.
06 · Defined term
Interaction feedback
The visible response that confirms an action was received, such as a focus state, form status, modal transition, or clear success message.
Citable reference
Marketopedia is published as a free reference library. Use these definitions with attribution to Zennith Agency and apply them in the context of a real technical and commercial strategy.