I was told by my hosting company that the reason why my

Hello,

I was told by my hosting company that the reason why my site keeps slowing down has to do with my wordpress site. They gave me the following information. I am not in the computer field so I have no idea what any of this means.{What they sent is in brackets}

{
Here are top processes for your account:
User ? Domain % CPU Process
oliviagr prosperandgain.com 75.0 /usr/bin/php /home/oliviagr/public_html/wp-admin/edit.php
oliviagr prosperandgain.com 71.0 /usr/bin/php /home/oliviagr/public_html/wp-admin/edit.php
oliviagr prosperandgain.com 70.0 /usr/bin/php /home/oliviagr/public_html/index.php

You should optimize site to solve the issue.
}

Please help.

Thank you,
Grace