Difference between CRM Action Navigate and FIND in USD

Navigate 

• When you choose "Navigate" the "Active contact" displays with New button NAV bar

Action
url=main.aspx?etn=contact&extraqs=%3fpagemode%3diframe%26sitemappath%3dSFA%257cCustomers%257cnav_conts&pagetype=entitylist&viewid=%7b00000000-0000-0000-00AA-000010001004%7d&viewtype=1039

Find

• When you choose "Find" the "Active contact" displays without New button NAV bar

Action
contact