The use of form tag to create Input tag form and send form data because it have action . by action we send form data.

HTML

tag is use to collect customer responses and add interactivity to your website. HTML forms interact with scripts to collect data, record information, or simply involve your readers with your web page. Forms are made of text boxes, check boxes, radio buttons, drop-down lists, and other input fields.

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Form tag are used for select different kinds of user input. Between form tag we write the all tag of HTML.

It's use to create forums.