/** Plain-English definitions for SEO terms shown in ContextualHelp popovers. */
export const SEO_GLOSSARY = {
  clicks:
    'The number of times users clicked your link in Google Search results during the selected period.',
  impressions:
    'How many times your pages appeared in Google Search results — counts even when users scroll past without clicking.',
  ctr: 'Click-Through Rate: the percentage of impressions that resulted in a click (Clicks ÷ Impressions × 100). Higher means your titles and descriptions attract more searchers.',
  position:
    'Your average ranking position in Google Search results. Position 1 is the top result; lower numbers are better.',
  positionDelta:
    'Change in average ranking position versus the previous period. A negative delta means you moved up in results (better).',
  impactScore:
    'Estimated improvement potential if this recommendation is applied, scored 0–100 based on your traffic data and the severity of the issue.',
  cannibalization:
    'When two or more of your pages compete for the same keyword, splitting authority and reducing rankings for all of them.',
  eeat: "Experience, Expertise, Authoritativeness, Trustworthiness — Google's framework for assessing content quality and credibility.",
  gsc: 'Google Search Console: Google\'s free tool that shows how your site performs in organic search, including clicks, impressions, and keywords.',
  contentFreshness:
    'How recently a page was updated. Older content may lose rankings over time if competitors publish fresher, more relevant content.',
  strikingDistance:
    'Pages ranking in positions 11–20 — just outside the first page. Small improvements can push them into top-10 results.',
  confidence:
    'How certain the algorithm is that this recommendation will improve your traffic, based on your data. High ≥67%, Medium 34–66%, Low 0–33%.',
} as const;

export type SeoGlossaryKey = keyof typeof SEO_GLOSSARY;