Backlink is the most important factor for your SEO. Without buidling backlink it is difficult to rank your website in search engine.

no yes or no u say correct word .

Definetily Yes, It is the most important part of Off Page Seo which help gain traffic and increase your ranking in google pages

Backlinks are incoming links to a webpage. These help in getting better search engine rankings. The common terms related to backlinks:

  1. Link Juice
  2. No follow link
  3. Do follow link
  4. Anchor text
  5. Internal Links

Backlinks are important for SEO because some search engines, especially Google, will give more credit to websites that have a good number of quality backlinks, and consider those websites more relevant than others in their results pages for a search query.