What is significance of 'navbar-brand' class in Bootstrap 3

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I am new to Bootstrap 3.0. Can any one tell me what is significance of 'navbar-brand' class in below code?

    <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8" />
    <title>@ViewBag.Title - My ASP.NET MVC Application</title>
    <link href="~/favicon.ico" rel="shortcut icon" type="image/x-icon" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link href="~/Content/bootstrap.css" rel="stylesheet" />
    <link href="~/Content/bootstrap-theme.css" rel="stylesheet" />
    @Scripts.Render("~/bundles/modernizr")
</head>
<body>
    <nav class="navbar-wrapper navbar-default navbar-fixed-top" role="navigation">
        <div class="container">
            <div class="navbar-header">
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-ex1-collapse">
                    <span class="sr-only">Toggle Navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
                <a class="navbar-brand">Vacation Rentals</a>
            </div>            
        </div>
    </nav>
    <div id="body" class="container">
        @RenderBody()
    </div>
    @Scripts.Render("~/bundles/jquery")
    @Scripts.Render("~/bundles/jqueryui")
    @Scripts.Render("~/Scripts/bootstrap.js")
    @RenderSection("scripts", required: false)
</body>
</html>

Also, I would like to know something about magical text 'Toggle Navigation'. When I am re-sizing my browser I can see a small rectangle on right hand side of the screen, but where is the text 'Toggle Navigation'? Thanks, Hemant Shelar

1 Answers
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