What do the different icons that appear beside my CV name in 'My Workspace' mean?

:This is your primary CV, which means that your CV is complete, searchable by Employers and can be readily used to apply for jobs. : This CV is complete and can be used to apply to jobs. You can set this CV as the ‘Primary CV’ by clicking on it and checking on the Primary CV option. : Your CV is not complete. You will have to complete the unfilled sections of your CV in order to use it to apply for jobs. Incomplete CVs are NOT searchable by Employers