adding a new module

I want to create a new module or content block that i can call from the shared master pages.

This is my code calling the new page or module not sure what these are called. Views > Shared > _ColumnsThree.cshtml
@Html.Action("featuredbox", Catalog")

Here is the code inside the new page i created im trying to call > Views > Catalog >  featuredbox.cshtml

<div class="page home-page">
    <div class="page-body">
        @Html.Widget("home_page_top")          
        
  @Html.Action("HomepageCategories", "Catalog")
        <div class="clear">
        </div>
        @Html.Action("HomepageProducts", "Catalog")
        <div class="clear">
        </div>
        @Html.Action("HomepageBestSellers", "Catalog")
        <div class="clear">
        </div>
  
        @Html.Action("HomePagePolls", "Poll")
        @Html.Widget("home_page_bottom")
    </div>
</div>

pls specify your need clearly. and try to  learn mvc and razor syntax that will help you to analyse your page and helps you to modify your page according to your need. if you want to create an new page you need to add model, view , controller, routes and some back end stuffs.