SharePoint Site Column Creation and Adding To the List

Working with SharePoint  site column's

what is SharePoint site column:

 

               A site column is a reusable column definition or template, that you can assign to multiple lists across multiple SharePoint sites. Site columns decrease re-work and help you ensure consistency of metadata across sites and lists.

  there is hierarchy of site column availability as follows:

Note :

the lower level site column is not available for top level sites.

How to create Site column :

-->go to site settings

-->Then In Web designer Galleries click on SITE COLUMNS

--> then click on create site column

---> Enter and select column Details

--->click on Ok.

How to Add Site column to a LIST:

--->  goto the List settings of selected list

---> click on add from existing site columns

-->select the column and click on add button

then visit the list to check column is add or not