Editing Theme

Hi, Please i am new to design, i used theme RealHomes for a project and after importing the theme demo i am trying to edit it to my needs. but i can not seem to edit some part of the theme especially on the home page…for istance the part that has the features i can not edit it, can you please tell me how to go about this.

Thank you

The page I need help with: [log in to see the link]