Labels are the words users see on menus, links, and categories, and they are the single highest-leverage decision in IA. If labels are vague or reflect internal jargon, users cannot predict where a click will lead, and information scent collapses. Strong labels are front-loaded, with the most important word first so they scan well in long lists; action-oriented, using verbs like "Get help" rather than nouns like "Help center" for task-driven contexts; and written in the customer's language rather than the organization's. The "your-customer's-language" principle warns against letting internal product names or department labels leak into navigation, because the curse of knowledge makes insiders pick labels that are obvious to them and cryptic to everyone else. Categories should stay mutually sensible so that overlapping labels do not force people to second-guess every navigation choice.
Two practical techniques surface the right labels. First, search query logs and site search analytics reveal the words users actually type — what they search, which queries return zero results, and what they click on. Zero-result queries are a particularly rich signal for IA improvements: they often expose synonym gaps, missing content, or labels that do not match user vocabulary. Second, when stakeholders cannot agree on a label, A/B testing two variants against click-through or task success can settle the debate with data rather than opinion. Navigation analytics — tracking which paths users actually take — exposes which labels and structures work in practice and which silently fail.
Label-icon pairing combines a word with a small graphic to boost recognition without sacrificing accessibility. Going icon-only, by contrast, asks users to memorize symbols and is only safe when the meaning is universal — a magnifying glass for search, a hamburger for menu, a house for home. Information scent is the degree to which a cue (label, snippet, image) suggests the right content is nearby, and trigger words inside labels are what fire user recognition that they are close to their goal. Scent decays with every click that fails to show obvious progress, which is why consistency in label style across the product is not stylistic taste but a usability safeguard: consistent patterns and labels make navigation more predictable across the product, and predictable products feel easier to use.