Snippets:

Label

<span class="label label-info">Note</span> 

Label with tooltip

<span class="label label-info" data-toggle="tooltip" title="Tooltip message!">Note</span> 

Badge

<span class="badge badge-success">Note</span>

Colors: default primary success info warning danger

Dropdown

    <div class="btn-group"><button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
WORD 
    <span class="caret"></span></button><ul class="dropdown-menu"><li><a href="#">
DESC
    </a></li><li><a href="#">
EXAMPL
    </a></li></ul></div>