What is Google's auto-complete?

What is Google's auto-complete?

Google Autocomplete is the features provide by Google search engine. Which makes searching process easier by providing frequently searched and most popular terms adding into suggested results while you start typing for search in browser.

Autocomplete, or word completion, is a feature in which an application predicts the rest of a word a user is typing. In graphical user interfaces, users can typically press the tab key to accept a suggestion or the down arrow key to accept one of several.

Autocomplete is a feature within Google Search designed to make it faster to complete searches that you're beginning to type.